DEWEY DECIMAL 
CLASSIFICATION 
SYSTEM
WHO CREATED THE DEWEY DECIMAL 
CLASSIFICATION SYSTEM? 
• Melvil Dewey was born on December 10, 1851 
• Melvil Dewey created the number order system for 
library books when he was 21 years old. 
• Melvil Dewey started the first school for librarians.
Ten Main Classifications in Dewey’s System 
• The world’s knowledge is divided 
into 10 categories or groups. 
•Each group has a main title and is 
represented by three numbers.
THE BIG TEN! 
• Generalities – 000 
• Philosophy – 100 
• Religion – 200 
• Social Science – 
300 
• Language – 400 
• Science & Math – 500 
• Technology – 600 
• The Arts – 700 
• Literature – 800 
• Geography & History - 900
You Can Judge A Book by It’s Cover! 
• The Dewey Decimal 
Classification call 
number can be found 
on the spine label. 
• Why? 
• When the book is 
shelved, the Dewey 
Decimal Classification 
call number can be 
easily seen. 
500 
Lee 
200 
Bya 
000 
Mea
GENERALITIES - 000 
• Encyclopedias 
•News media 
•Rare Books 
Encyclopedias, Reference Books
PHILOSOPHY - 100 
• Paranormal phenomena 
• Psychology 
• Logic
RELIGION - 200 
• Bible 
• History of Christianity 
• Other Religions
SOCIAL SCIENCE - 300 
•Law 
• Education 
• Folklore
LANGUAGE - 400 
• English 
• Spanish 
• Other Languages
NATURAL SCIENCE 
& MATH - 500 
•Mathematics 
• Earth sciences 
• Plants 
• Animals
Technology – 600 
•Medicine 
• Agriculture 
• Family living
THE ARTS - 700 
• Drawing 
• Music 
•Recreational & 
performing arts
LITERATURE - 800 
•American Literature 
• Old English Literature 
• Literatures of Other Languages
GEOGRAPHY 
& HISTORY - 900 
•Geography 
• Biographies 
•Ancient History
REVIEW 
WHAT DO YOU REMEMBER? 
• Who created the Dewey Decimal 
Classification System? 
• What does the DDCS do for our library? 
• How many main classifications are 
there? 
• Where do you find the DDCS number on 
a library book?
Resources Used… 
All clipart taken from the Microsoft Clipart web site: 
http://office.microsoft.com/clipart/default.aspx?lc=en-us&cag=1 
Information on the Dewey Decimal Classification taken from: 
Weisburg, H. & Toor, R. Teacher’s Portfolio of Library 
Skills Lessons & Activities (1985). The Center for 
Applied Research in Education, Inc.

Dewey Decimal Classification

  • 1.
  • 2.
    WHO CREATED THEDEWEY DECIMAL CLASSIFICATION SYSTEM? • Melvil Dewey was born on December 10, 1851 • Melvil Dewey created the number order system for library books when he was 21 years old. • Melvil Dewey started the first school for librarians.
  • 3.
    Ten Main Classificationsin Dewey’s System • The world’s knowledge is divided into 10 categories or groups. •Each group has a main title and is represented by three numbers.
  • 4.
    THE BIG TEN! • Generalities – 000 • Philosophy – 100 • Religion – 200 • Social Science – 300 • Language – 400 • Science & Math – 500 • Technology – 600 • The Arts – 700 • Literature – 800 • Geography & History - 900
  • 5.
    You Can JudgeA Book by It’s Cover! • The Dewey Decimal Classification call number can be found on the spine label. • Why? • When the book is shelved, the Dewey Decimal Classification call number can be easily seen. 500 Lee 200 Bya 000 Mea
  • 6.
    GENERALITIES - 000 • Encyclopedias •News media •Rare Books Encyclopedias, Reference Books
  • 7.
    PHILOSOPHY - 100 • Paranormal phenomena • Psychology • Logic
  • 8.
    RELIGION - 200 • Bible • History of Christianity • Other Religions
  • 9.
    SOCIAL SCIENCE -300 •Law • Education • Folklore
  • 10.
    LANGUAGE - 400 • English • Spanish • Other Languages
  • 11.
    NATURAL SCIENCE &MATH - 500 •Mathematics • Earth sciences • Plants • Animals
  • 12.
    Technology – 600 •Medicine • Agriculture • Family living
  • 13.
    THE ARTS -700 • Drawing • Music •Recreational & performing arts
  • 14.
    LITERATURE - 800 •American Literature • Old English Literature • Literatures of Other Languages
  • 15.
    GEOGRAPHY & HISTORY- 900 •Geography • Biographies •Ancient History
  • 16.
    REVIEW WHAT DOYOU REMEMBER? • Who created the Dewey Decimal Classification System? • What does the DDCS do for our library? • How many main classifications are there? • Where do you find the DDCS number on a library book?
  • 17.
    Resources Used… Allclipart taken from the Microsoft Clipart web site: http://office.microsoft.com/clipart/default.aspx?lc=en-us&cag=1 Information on the Dewey Decimal Classification taken from: Weisburg, H. & Toor, R. Teacher’s Portfolio of Library Skills Lessons & Activities (1985). The Center for Applied Research in Education, Inc.