This document discusses authority control and creating access points according to RDA. It begins with learning outcomes and an overview. Key terminology is defined, such as RDA entities, elements, appellations, access points, and relationships. The basics of creating access points are covered, including their basis in RDA entities and additions to them. Practical examples are provided of recording access points and their elements in metadata description sets.

1. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 20191
Authority Control and
Creating Access Points
Adam Baron

2. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 20192
Learning Outcomes
• After participating in this event, you will be able to:
▪ Define key vocabulary terms associated with access point
elements
▪ Describe how access point elements are addressed in the
revised RDA Toolkit
▪ Identify possible changes to current authority control
practices, including creating access points
▪ Understand how to create authorized and variant access
points for new and existing RDA entities

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Overview
• Terminology and key concepts
• Basics of creating access points
• Creating authorized and variant access points
for RDA entities
▪ Some practical examples
▪ Access points in MARC 21

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RDA Entities

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Terminology
• entity
▪ An abstract class of a physical or conceptual thing in the
universe of human discourse.
▪ Use for: res
• RDA Entity
▪ An abstract class of key conceptual objects in the universe of
human discourse that is a focus of interest to users of RDA
metadata in a system for resource discovery.
▪ An RDA entity includes an agent, collective agent, corporate body,
expression, family, item, manifestation, nomen, person, place,
timespan, and work.

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RDA Entities
• RDA Entity
▪ Work
▪ Expression
▪ Manifestation
▪ Item
▪ Agent
o Person
o Collective Agent
• Corporate Body
• Family
▪ Nomen
▪ Place
▪ Timespan

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Terminology
• element
▪ A specific aspect, characteristic, attribute, or relationship used to describe
an RDA entity.
• appellation element
▪ An element that uses an unstructured description, structured description, or
identifier to refer to an instance of an RDA entity within a given scheme or
context.
• appellation of RDA entity
▪ A nomen that is used within a given scheme or context to refer to an RDA
entity.
▪ Inverse: appellation of RDA entity of
o An RDA entity that is referred to by a nomen used within a given scheme or context.

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Minimum Description of an
RDA Entity

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access point for RDA entity
• access point for RDA entity
▪ access point for work
▪ access point for expression
▪ access point for manifestation
▪ access point for item
▪ access point for agent
o access point for person
o access point for collective agent
• access point for corporate body
• access point for family
▪ access point for place
▪ access point for timespan
▪ authorized access point for RDA entity
▪ variant access point for RDA entity

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Terminology
• access point
▪ A name, term, code, etc., representing a specific RDA entity.
• access point for RDA entity
▪ An appellation of RDA entity in natural language that is taken
from a vocabulary encoding scheme or is constructed using a
string encoding scheme.
▪ Inverse: access point for RDA entity of
o An RDA entity that has an appellation in natural language that is
taken from a vocabulary encoding scheme or is constructed using a
string encoding scheme.

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Terminology
• vocabulary encoding scheme
▪ A named structured list of representations of controlled values
for elements.
▪ A vocabulary encoding scheme includes an RDA list of terms or
their corresponding value vocabularies in the RDA Registry, an ISO
code list, a standard terminology, an authority control system,
etc. Simple keyword indexes are excluded.
• value vocabulary
▪ A linked data vocabulary for terms that are used as a value of an
element.

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Terminology
• string encoding scheme
▪ A set of string values and an associated set of rules that
describe a mapping between that set of strings and a value of
an element.
▪ Use for: syntax encoding scheme
• string
▪ A sequence of signs, symbols, or a combination of signs or
symbols, intended to be treated as a unit.

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access point for RDA entity

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Terminology
• authorized access point for RDA entity
▪ An access point for RDA entity that is selected for preference in
a specific vocabulary encoding scheme.
▪ Inverse: authorized access point for RDA entity of
o An RDA entity that has an access point for RDA entity that is selected for
preference in a specific vocabulary encoding scheme.
• variant access point for RDA entity
▪ An access point for RDA entity that is not selected for preference
in a specific vocabulary encoding scheme.
▪ Inverse: variant access point for RDA entity of
o An RDA entity that has an access point for RDA entity that is not selected
for preference in a specific vocabulary encoding scheme.

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Terminology
• relationship
▪ A specific association between two entities.
• relationship element
▪ An element that relates two RDA entities.
▪ Use for: relationship designator
• domain
▪ The RDA entity that is described by an element.
• range
▪ The RDA entity that is the value of a relationship element.

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Relationship to Nomen
NomenRDA Entity
has access point for RDA entity /
is access point for RDA entity of

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Relationships to Nomen
Nomen
RDA Entity
has authorized access point for RDA entity /
is authorized access point for RDA entity of
Nomen
has variant access point for RDA entity /
is variant access point for RDA entity of

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Terminology
• Nomen
▪ A designation that refers to an RDA entity.
▪ A designation includes a name, title, access point, identifier, and
subject classification codes and headings.
• nomen string
▪ The combination of signs that forms an appellation associated
with an entity.
▪ The string can be expressed as a notation in any form, such as a
combination of signs within a writing system, chemical structure
symbols, mathematical notation, or by any other kind of sign,
such as sounds, etc.

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access point for RDA entity
• A nomen is identified by its nomen string.
• Record the nomen string of a Nomen as a value of an
unstructured description, structured description, or
identifier, as appropriate.

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Metadata Description Sets
Person: John Grisham
Person
has gender Male
has language of person English
has profession or occupation Novelist
Nomen
has nomen string Гришэм, Джон, 1955-
has category of nomen Variant access point
has language of nomen Russian
has script of nomen Cyrillic
Nomen
has nomen string Grisham, John
has category of nomen Authorized access point
has language of nomen English
has script of nomen Latin
has authorized access point for person
has variant access point for person

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Metadata Description Set
Person: John Grisham
Person
has authorized access point Grisham, John
for person
has variant access point for Гришэм, Джон, 1955-
person
has gender Male
has language of person English
has profession or occupation Novelist

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Terminology
• structured description
▪ A recording method that is either a human-readable string
that is a full or partial description of an entity based on a
string encoding scheme or a controlled term describing an
aspect of an entity.
▪ Includes an access point or a controlled term taken from a
vocabulary encoding scheme.

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Recording a Structured
Description

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Recording a Structured
Description

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The Basics of Creating
Access Points

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access point for RDA entity

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Basis of access points for
RDA entity

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Basis of access points for
RDA entity

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Basis of access points for
RDA entity

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Basis of access points for
RDA entity

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Additions to access points for
RDA entity

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authorized access point for
RDA entity

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Basis of authorized access
point for RDA entity

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Additions to authorized
access points for RDA entity

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variant access point for RDA
entity

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variant access point for RDA
entity

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Basis of variant access point
for RDA entity
Basis of variant access point for RDA entity

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Additions to variant access
points for RDA entity

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Data provenance for access
points for RDA entity

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Creating Authorized and
Variant Access Points
Examples & Implications for MARC 21

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Examples: The Firm
1991 Novel 1993 Film

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Work
A distinct intellectual or artistic creation, that is,
the intellectual or artistic content.

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authorized access point for
work

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authorized access point for
work
preferred title of work:
The firm

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access point for work
access point for work: Firm

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authorized access point for person:
Grisham, John
access point for work: Firm
authorized access point for work:
Grisham, John. Firm

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authorized access point for
work
access point for work: Firm

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Optional additions to distinguish
an access point for work
• Include a value of:
▪ category of work
▪ date of work
▪ numeric designation of musical work
▪ place of origin of work
▪ an element of a representative expression that is associated
with a work
▪ authorized access point for agent
• Include a designation that is a distinguishing
characteristic of the work.

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element of a representative
expression associated with work
• There are currently no policies or best practices for
including representative expression elements
• Suggestion:
▪ To reduce confusion for users, only include a value of a
representative expression element in an authorized access point
for work if it is the best element to distinguish a work
access point for work:
Grisham, John. Firm (English)
access point for expression:
Grisham, John. Firm (English). Spanish

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authorized access point for
work
category of work:
Motion picture
authorized access point for work:
Firm (Motion picture)

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variant access point for work

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variant access point for work

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variant access point for work

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access point for work in
MARC 21
• access point for work
▪ Currently no option
• authorized access point for
work
▪ Consistent with current practice
▪ Authority format
o 100/110/111 $a + $t
o 130 $a
▪ Bibliographic format
o 100/110/111 $a + 240/245 $a
o 130 $a
o 700/710/711 $a + $t
o 730 $a
• variant access point for work
▪ Consistent with current practice
▪ Authority format
o 400/410/411 $a + $t
o 430 $a

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access point for work in
MARC 21
Bibliographic record
Authority record
100 1 Grisham, John.
245 1 4 The firm
100 1 Grisham, John. $t Firm

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access point for work in
MARC 21
Bibliographic record
Authority record
130 0 Firm (Motion picture)
130 0 Firm (Motion picture)

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Expression
An intellectual or artistic realization of a
work in the form of alpha-numeric, musical or
choreographic notation, sound, image, object,
movement, etc., or any combination of such forms.

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authorized access point for
expression

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authorized access point for
expression
authorized access point for work:
Grisham, John. Firm

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authorized access point for
expression
preferred title of expression:
La firma

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access point for expression
access point for expression: Firma

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authorized access point for
expression

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authorized access point for
expression
language of expression:
English
content type:
text
authorized access point for
expression:
Grisham, John. Firm. English. Text

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authorized access point for
expression
language of expression:
Spanish
content type:
text
authorized access point for
expression:
Firma. Spanish. Text

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authorized access point for
expression
language of expression:
English, French
authorized access point for
expression:
Firm (Motion picture). English
Firm (Motion picture). French

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variant access point for expression

72. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201972

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variant access point for
expression
authorized access point for expression:
Firma. Spanish. Text
variant access point for expression:
Grisham, John. Firm. Spanish. Text

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variant access point for
expression
authorized access point for expression:
Grisham, John. Firm. Spanish. Text
variant access point for expression:
Firma. Spanish. Text
Grisham, John. Firma. Spanish. Text

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access point for expression in
MARC 21
• access point for expression
▪ Currently no option
• authorized access point for
expression
▪ Consistent with current practice
▪ Authority format
o 100/110/111 $a + $t + $l, $h, $f, $s
o 130 $a + $l, $h, $f, $s
▪ Bibliographic format
o 100/110/111 $a + 240 $a + $l, $h,
$f, $s
o 130 $a + $l, $h, $f, $s
o 700/710/711 $a + $t + $l, $h, $f, $s
o 730 $a + $l, $h, $f, $s
• variant access point for
expression
▪ Consistent with current practice
▪ Authority format
o 400/410/411 $a + $t + $l, $h, $f, $s
o 430 $a + $l, $h, $f, $s

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access point for expression in
MARC 21
Bibliographic record
Authority record
100 1 Grisham, John.
240 1 0 Firm. $l English. $h Text
100 1 Grisham, John. $t Firm. $l
English. $h Text

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access point for expression in
MARC 21
Bibliographic record
Authority records
730 0 2 Firm (Motion picture). $l English.
730 0 2 Firm (Motion picture). $l French.
130 0 Firm (Motion picture). $l English
130 0 Firm (Motion picture). $l French

78. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201978
access point for expression in
MARC 21
Bibliographic record
Authority record
730 0 2 Firma. $l Spanish. $h Text.
130 0 Firma. $l Spanish. $h Text
400 1 Grisham, John. $t Firm. $l
Spanish. $h Text

79. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201979
access point for expression in
MARC 21
Bibliographic record
Authority record
100 1 Grisham, John.
240 1 0 Firm. $l Spanish. $h Text
100 1 Grisham, John. $t Firm. $l
Spanish. $h Text
430 0 Firma. $l Spanish. $h Text
400 1 Grisham, John. $t Firma. $l
Spanish. $h Text

80. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201980
Manifestation
The physical embodiment of an expression of a work.

81. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201981
authorized access point for
manifestation

82. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201982
authorized access point for
manifestation
title proper:
The firm

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access point for manifestation
access point for manifestation: Firm

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authorized access point for
manifestation

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Additional elements and designations
in access points for manifestation
• Include a value of:
▪ carrier type
▪ structured description of:
o distributor agent
o manufacturer agent
o producer agent of unpublished manifestation
o publisher agent
▪ name of agent of manifestation
▪ date of manifestation
▪ place of manifestation
▪ designation of edition

86. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201986
authorized access point for
manifestation
carrier type:
volume
publisher agent:
Doubleday
date of manifestation:
1991
authorized access point for
manifestation:
Firm. Volume. Doubleday. 1991

87. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201987
authorized access point for
manifestation
carrier type:
videodisc
publisher agent:
Paramount Pictures Corporation
date of manifestation:
2000
authorized access point for
manifestation:
Firm. Videodisc. Paramount Pictures
Corporation. 2000

88. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201988
variant access point for manifestation

89. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201989
variant access point for
manifestation

90. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201990
access point for manifestation
in MARC 21
• access point for manifestation
▪ Currently no option
• authorized access point for manifestation
▪ Currently no option
• variant access point for manifestation
▪ Currently no option
• Interim solution:
▪ Satisfy the minimum description requirement in RDA by
recording a title proper in MARC bibliographic 245 $a

91. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201991
Item
A single exemplar or instance of a manifestation.

92. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201992
authorized access point for
item

93. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201993
authorized access point for
item

94. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201994
variant access point for item

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variant access point for item

96. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201996
access point for item in
MARC 21
• access point for item
▪ Currently no option
• authorized access point for item
▪ Currently no option
• variant access point for item
▪ Currently no option
• Interim solution:
▪ Satisfy the minimum description requirement in RDA by recording
an identifier for item (e.g., barcode assigned by library)

97. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201997
Agent
A person or
two or more persons capable of acting as a unit.

98. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201998
authorized access point for
agent

99. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 201999
authorized access point for
agent

100. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019100
variant access point for agent

101. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019101
variant access point for agent

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access point for agent in
MARC 21
• access point for agent
▪ Currently no option
• authorized access point for agent
▪ Currently no option
• variant access point for agent
▪ Currently no option
• Interim solution:
▪ Use narrower elements:
o access point for person
o access point for corporate body
o access point for family

103. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019103
Person
An individual human being who lives or
is assumed to have lived.

104. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019104
authorized access point for
person

105. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019105
VES: LC/NACO Authority File
authorized access point for person:
Grisham, John

106. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019106
authorized access point for
person

107. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019107
authorized access point for
person
preferred name of person:
Tom Cruise

108. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019108

109. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019109
authorized access point for
person
basic authorized access point for
person:
Cruise, Tom

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authorized access point for
person

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Optional additions to distinguish
an access point for person
• Include a value of:
▪ date birth
▪ date death
▪ fuller form of name
▪ period of activity of person
▪ profession or occupation
▪ term of rank, honour, or office
• If a value of date of birth and date of death are unavailable,
include:
▪ a value of term of rank, honour, or office
▪ an appropriate designation associated with a person
▪ a term associated with a person named in a sacred scripture or an
apocryphal book

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Optional additions to assist in
identification
• Include a value of:
▪ date of birth
▪ date of death
▪ fuller form of name
▪ period of activity of person
▪ profession or occupation
▪ term of rank, honour, or office
• Include a term that is associated with a person named in a
sacred scripture or an apocryphal book
• Include an appropriate designation associated with a person

113. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019113
authorized access point for
person
date of birth: 1962
authorized access point for person:
Cruise, Tom, 1962-

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variant access point for person

115. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019115
VES: VIAF
variant access point for person:
Гришэм, Джон, 1955-

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variant access point for person

117. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019117
variant access point for person
name of person:
Thomas Cruise Mapother IV

118. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019118
variant access point for person

119. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019119
variant access point
for person:
Mapother, Thomas
Cruise, IV

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variant access point for person

121. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019121
variant access point for person
date of birth: 1962
variant access point for person:
Mapother, Thomas Cruise, IV, 1962-

122. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019122
access point for person in
MARC 21
• access point for person
▪ Currently no option
• authorized access point for
person
▪ Consistent with current practice
▪ Authority format
o 100 $a (+ $b, $c, $d, $q)
▪ Bibliographic format
o 100 $a (+ $b, $c, $d, $q)
o 700 $a (+ $b, $c, $d, $q)
• variant access point for person
▪ Consistent with current practice
▪ Authority format
o 400 $a (+ $b, $c, $d, $q)

123. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019123
access point for person in
MARC 21
Bibliographic record
Authority record
100 1 Grisham, John.
100 1 Grisham, John
400 1 Гришэм, Джон, $d 1955-

124. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019124
access point for person in
MARC 21
Bibliographic record
Authority record
700 1 Cruise, Tom, $d 1962-
100 1 Cruise, Tom, $d 1962-
400 1 Mapother, Thomas Cruise, $c IV,
$d 1962-

125. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019125
Collective Agent
A gathering or organization of persons bearing
a particular name and capable of acting as a unit.
A collective agent includes a corporate body and a family.

126. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019126
authorized access point for
collective agent

127. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019127
authorized access point for
collective agent

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variant access point for collective agent

129. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019129
variant access point for
collective agent

130. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019130
access point for collective
agent in MARC 21
• access point for collective agent
▪ Currently no option
• authorized access point for collective agent
▪ Currently no option
• variant access point for collective agent
▪ Currently no option
• Interim solution:
▪ Use narrower elements:
o access point for corporate body
o access point for family

131. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019131
Corporate Body
An organization or group of persons or organizations that is
identified by a name and is capable of acting as a unit.

132. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019132
authorized access point for
corporate body

133. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019133
VES: LC/NACO Authority File
authorized access point for
corporate body:
Paramount Pictures Corporation

134. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019134
authorized access point for
corporate body

135. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019135
authorized access point for
corporate body
preferred name of corporate body:
Doubleday

136. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019136

137. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019137
Optional additions to distinguish
an access point for corporate body
• Include a value:
▪ based on category of corporate body
▪ of access point for place of a place associated with corporate
body
▪ of preferred name of corporate body of an associated institution
▪ of access point for timespan for a timespan associated with
corporate body
▪ of category of government that is a term for a government other
than a city or town
• Include a suitable designation associated with a corporate
body

138. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019138
Optional additions to assist in
identification
• Include a value of:
▪ access point for place for a place associated with corporate
body
▪ preferred name of corporate body
▪ access point for timespan for a timespan associated with
corporate body
• Include a suitable designation that assists in the
understanding of the nature or purpose of the corporate
body

139. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019139
authorized access point for
corporate body
authorized access point for
corporate body:
Doubleday

140. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019140
variant access point for corporate body

141. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019141
variant access point for corporate
body

142. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019142
VES: LC/NACO Authority File
variant access point for corporate body:
Gulf & Western Industries. Paramount
Pictures Corporation
Paramount Pictures (1949- )

143. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019143
access point for corporate
body in MARC 21
• access point for corporate body
▪ Currently no option
• authorized access point for
corporate body
▪ Consistent with current practice
▪ Authority format
o 110 $a (+ $b, $c, $d, $n)
o 111 $a (+ $c, $d, $e, $n)
▪ Bibliographic format
o 110 $a (+ $b, $c, $d, $n)
o 111 $a (+ $c, $d, $e, $n)
o 710 $a (+ $b, $c, $d, $n)
o 711 $a (+ $c, $d, $e, $n)
• variant access point for
corporate body
▪ Consistent with current practice
▪ Authority format
o 410 $a (+ $b, $c, $d, $n)
o 411 $a (+ $c, $d, $e, $n)

144. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019144
access point for corporate
body in MARC 21
Bibliographic record
Authority record
710 2 Doubleday.
110 2 Doubleday

145. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019145
access point for corporate
body in MARC 21
Bibliographic record
Authority record
710 2 Paramount Pictures Corporation.
110 2 Paramount Pictures Corporation
410 2 Gulf & Western Industries. $b
Paramount Pictures Corporation
410 2 Paramount Pictures (1949- )

146. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019146
Family
Two or more persons related by birth, marriage,
adoption, civil union, or similar legal status, or who
otherwise present themselves as a family.

147. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019147
authorized access point for
family

148. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019148
authorized access point for
family

149. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019149
Additional elements and designations
in access points for family
• Additions to distinguish an access point
▪ Include a value of:
o related place of family
o prominent member of family
• Additions to assist in identification
▪ Include a value of:
o related place of family
o prominent member of family
• Additions to conform to a string encoding scheme
▪ Include a value of:
o category of family
o related timespan of family

150. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019150
variant access point for family

151. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019151
variant access point for family

152. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019152
access point for family in
MARC 21
• access point for family
▪ Currently no option
• authorized access point for
family
▪ Consistent with current practice
▪ Authority format
o 100 $a (+ $c, $d, $g)
▪ Bibliographic format
o 100 $a (+ $c, $d, $g)
o 700 $a (+ $c, $d, $g)
• variant access point for family
▪ Consistent with current practice
▪ Authority format
o 400 $a (+ $c, $d, $g)

153. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019153
Place
A given extent of space.

154. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019154
access point for place

155. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019155
authorized access point for
place

156. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019156
authorized access point for
place
preferred name of place:
Memphis

157. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019157
authorized access point for
place

158. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019158
authorized access
point for place of
larger jurisdiction:
Tennessee

159. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019159
authorized access point for
place
authorized access point for place:
Memphis (Tenn.)

160. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019160
variant access point for place

161. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019161
variant access point for place

162. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019162
access point for place in
MARC 21
• access point for place
▪ Currently no option
• authorized access point for
place
▪ Consistent with current practice
▪ Authority format
o 151 $a
▪ Bibliographic format
o 110 $a
o 651 $a
o 710 $a
• variant access point for place
▪ Consistent with current practice
▪ Authority format
o 451 $a

163. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019163
access point for place in
MARC 21
Bibliographic record
Authority record
651 0 Memphis (Tenn.) $v Fiction.
151 Memphis (Tenn.)

164. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019164
access point for place in
MARC 21
Bibliographic record
Authority record
651 0 Memphis (Tenn.) $v Drama.
151 Memphis (Tenn.)

165. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019165
Timespan
A temporal extent having a beginning,
an end, and a duration.

166. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019166
access point for timespan

167. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019167
authorized access point for
timespan

168. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019168
authorized access point for
timespan

169. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019169
authorized access point for
timespan
Year novel was originally published
authorized access point for
timespan:
1991
SES: edtf

170. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019170
authorized access point for
timespan
Year film was originally released
authorized access point for
timespan:
1993
SES: edtf

171. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019171
variant access point for timespan

172. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019172
variant access point for
timespan

173. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019173
access point for timespan in
MARC 21
• access point for timespan
▪ Currently no option
• authorized access point for
timespan
▪ Authority format
o 148 $a
▪ Bibliographic format
o 046
o 648 $a
• variant access point for
timespan
▪ Authority format
o 448 $a

174. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019174
access point for timespan in
MARC 21
Bibliographic record
Authority record
046 $k 1991 $2 edtf
148 1991

175. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019175
access point for timespan in
MARC 21
Bibliographic record
Authority record
046 $k 1993 $2 edtf
148 1993

176. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019176
Metadata Description Sets

177. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019177
Work
authorized access point for work: Grisham, John. Firm
preferred title of work: The firm
expression of work: Grisham, John. Firm. English. Text
author person: Grisham, John
subject: Memphis (Tenn.)--Fiction.
adapted as motion picture work: Firm (Motion picture)
Work
authorized access point for work: Firm (Motion picture)
preferred title of work: The firm
category of work: Motion picture
date of work: 1993
expression of work: Firm (Motion picture). English
expression of work: Firm (Motion picture). French
subject: Memphis (Tenn.)--Drama.
motion picture adaptation of work: Grisham, John. Firm
Expression
authorized access point for expression: Grisham, John. Firm.
English. Text
language of expression: English
content type: text
work expressed: Grisham, John. Firm
manifestation of expression: Firm. Volume. Doubleday. 1991
Manifestation
authorized access point for manifestation: Firm. Volume.
Doubleday. 1991
title proper: The firm
carrier type: volume
publisher corporate body: Doubleday
date of manifestation: 1991
expression manifested: Grisham, John. Firm. English. Text
Person
authorized access point for person: Grisham, John
variant access point for person: Гришэм, Джон, 1955-
author person of: Grisham, John. Firm
Corporate Body
authorized access point for corporate body: Doubleday
preferred name of corporate body: Doubleday
publisher corporate body of: Firm. Volume. Doubleday. 1991
Timespan
authorized access point for timespan: 1991
date of manifestation of: Firm. Volume. Doubleday. 1991

178. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019178
Work
authorized access point for work: Grisham, John. Firm
preferred title of work: The firm
expression of work: Grisham, John. Firm. English. Text
author person: Grisham, John
subject: Memphis (Tenn.)--Fiction.
adapted as motion picture work: Firm (Motion picture)
Work
authorized access point for work: Firm (Motion picture)
preferred title of work: The firm
category of work: Motion picture
date of work: 1993
expression of work: Firm (Motion picture). English
expression of work: Firm (Motion picture). French
subject: Memphis (Tenn.)--Drama.
motion picture adaptation of work: Grisham, John. Firm
Expression
authorized access point for expression:
Firm (Motion picture). English
language of expression: English
work expressed: Firm (Motion picture)
dubbed version: Firm (Motion picture).
French
manifestation of expression: Firm.
Videodisc. Paramount Pictures
Corporation. 2000
actor person: Cruise, Tom, 1962-
Expression
authorized access point for expression:
Firm (Motion picture). French
language of expression: French
work expressed: Firm (Motion picture)
dubbed version of: Firm (Motion
picture). English
manifestation of expression: Firm.
Videodisc. Paramount Pictures
Corporation. 2000
actor person: Cruise, Tom, 1962-
Manifestation
authorized access point for manifestation: Firm.
Videodisc. Paramount Pictures Corporation. 2000
carrier type: videodisc
publisher corporate: Paramount Pictures Corporation
date of manifestation: 2000
expression manifested: Firm (Motion picture). English
expression manifested: Firm (Motion picture). French
Person
authorized access point for person: Cruise, Tom, 1962-
variant access point for person: Mapother, Thomas
Cruise, IV, 1962-
preferred name of person: Tom Cruise
variant name of person: Thomas Cruise Mapother IV
date of birth: 1962
actor person of: Firm (Motion picture). English
actor person of: Firm (Motion picture). French
Corporate Body
authorized access point for corporate body:
Paramount Pictures Corporation
variant access point for corporate body: Gulf
& Western Industries. Paramount Pictures
Corporation
variant access point for corporate body:
Paramount Pictures (1949- )
publisher corporate body of: Firm. Videodisc.
Paramount Pictures Corporation. 2000
Timespan
authorized access point
for timespan: 1993
date of work of: Firm
(Motion picture)
Timespan
authorized access point for
timespan: 2000
date of manifestation of: Firm.
Videodisc. Paramount Pictures
Corporation. 2000

179. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019179
Conclusion

180. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019180
Access points …
• Are recorded using a structured description.
• May be taken from a vocabulary encoding scheme or
constructed using a string encoding scheme.
• Are a relationship element between RDA Entity and
Nomen.
• Values are recorded as a nomen string.

181. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019181
Creating Access Points
• An access point may be categorized as an authorized access
point or a variant access point.
• Authorized access points are based on the preferred name or
preferred title of the entity.
• Variant access points are based on a name or title of the entity.
• Values of other elements or designations may be included in an
access point to distinguish it from another access point, to assist
with identification, or to conform to a string encoding scheme.
• Policy statements or application profiles are required to determine
which options to apply, the order in which they should be applied,
and the punctuation to use between values.

182. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019182
Access Points in MARC 21
• An access point can be used to represent any RDA
entity, but an access point is not required to satisfy the
minimum description requirement in RDA.
• MARC 21 does not currently have options for recording
access points for all RDA entities.
• If MARC 21 coding is not available, consider using
another element or recording method.
• In cases where MARC 21 coding is available, usage can be
consistent with current practice.

183. RDA Special Topics Series: Authority Control and Creating Access Points August 5, 2019183
Questions?
Adam Baron
adam.baron@unt.edu