The document discusses the Library of Congress System and the Dewey Decimal System as two widely used library classification systems. While the Dewey Decimal System is better suited for smaller collections with limited call numbers, the Library of Congress System accommodates larger collections and offers more call numbers. Both systems serve as unique identifiers for books and help categorize similar subjects on library shelves.

1. Library of Congress System and Dewey Decimal System are two popular classification systems in libraries.
DDC
DDC
DIFFERENCES
LCC
LCC
VS
VS
000-
999
A-Z
Gali, Francheska Vonne S.
LIBSCI 22-A
It was developed between 1873 and
1876.
It was developed by James Hanson
and his assistant Charles Martel.
It was developed in 1897.
It was developed by Melvil Dewey.
The first schedule, E-F History: America
(Western Hemisphere), was published in
1901 and was followed in 1902 by Z
Bibliography.
The first edition of the scheme was a 44-
page pamphlet and was based on
Dewey’s view of the world of knowledge
which is still used today.
There are 10 main classes. There are 21 main classes.
Reference:
Frequently Asked Questions (The Dewey Program at the Library of Congress). (2021). Loc.gov. https://www.loc.gov/aba/dewey/faq.html

2. Library of Congress System and Dewey Decimal System are two popular classification systems in libraries.
DDC
DDC
DIFFERENCES
LCC
LCC
VS
VS
000-
999
A-Z
Gali, Francheska Vonne S.
LIBSCI 22-A
It allows for limited call numbers, and it
is better for small collections like
school libraries.
It allows for more call numbers, and
it is more suitable for large
academic and research libraries.
DDC has an abridged edition, with
numbers that are the same as the
numbers of the full edition, except
shorter.
LCC notation does not lend itself to
abridgment, except to the summary
level.
DDC notation uses only Arabic
numerals. Some notation is mnemonic.
The notation is alphanumeric.
Reference:
Frequently Asked Questions (The Dewey Program at the Library of Congress). (2021). Loc.gov. https://www.loc.gov/aba/dewey/faq.html

3. Both are unique identifiers for
each book in the library and
are ways to group similar
books with similar subjects
together on the shelves.
Library of Congress System and Dewey Decimal System are two popular classification systems in libraries.
DDC
DDC LCC
LCC
VS
VS
SIMILARITIES
000-
999
A-Z
Gali, Francheska Vonne S.
LIBSCI 22-A
Both are used widely
around the world.
Both use number building.
Reference:
Frequently Asked Questions (The Dewey Program at the Library of Congress). (2021). Loc.gov. https://www.loc.gov/aba/dewey/faq.html