1. Dewey Decimal Classification System
Presented to Seventh and Eight Grade Students
Developed by Paulina Kuforiji

2. Table of Content Introduction History of Melvil Dewey
History of Dewey Decimal Classification System
Other Developments of Dewey Decimal Classification System
How is the Dewey’s System Organized?
Dewey Browse
Locating Dewey’s Decimal Classification Call Number Understanding A DDC Call Number
Classifications in Dewey’s System
Review
References

3. History of Melvil Dewey
Melville Louis Kossuth Dewey was born on December 10, 1851 to a poor family who lived in a small town in upper New York state. He was interested in simplified spelling, he shortened his first name to from “Melville” to Melvil as a young adult.
Melville Louis Kossuth Dewey
The “Father of Modern
Librarianship.”

4. History of Dewey Decimal Classification System
The Dewey Decimal Classification (DDC) system is the world's most widely used library classification system.
Dewey invented the Decimal Classification system at the age of 21 in 1870.
This invention was published in 1876.

5. Other Developments of Dewey Decimal Classification System
Dewey changed librarianship from a vocation to a modern profession. He helped establish the American Library Association (ALA) in 1876.
He was the associations secretary from and its president for the 1890/1891 and 1892/1893 terms.
He was also co-founded and edited Library Journal.

6. How is the Dewey System organized?
The Dewey Decimal Classification (DDC) system provides a logical system organized by subjects.
It uses simple decimal notation to divide recorded knowledge into 10 main classes, and each category is 100 divisions and 1,000 sections.
Each group has a main title and is represented by three numbers.

7. Classifications of Dewey’s System
General Works
Psychology & Philosophy
Religion & Mythology
Education & Social Sciences
Language
Natural Sciences & Mathematics
Technology (Applied Science)
Arts, Sports & Recreation 
Literature & Rhetoric
Geography, History & Travel

8. Classifications of Dewey’s System
Every Dewey Decimal (DDC) call number begins with three numbers (808), some with decimal numbers followed by various letters, and/or number combinations.
Numbers to the right of the decimal point in DDC call numbers are decimal numbers. Therefore, comes before

9. Locating Dewey’s Decimal Classification Call Number
The Dewey Decimal Classification call number can be easily found on the spine of the book
200Bya
500
Lee
000
Mea

10. Understanding A DDC Call Number
One of the best ways to learn to read the DDC numbers is by looking at the subject areas. The following example is an example of a book from the Columbus Library Collection.
Example:
Fletcher, . How to Write Your Life. Juv. Coll Fle.
808 represents Literature & Rhetoric

11. 000-099 – General Works Encyclopedias Reference Books Bibliographies
The numbers up to 099 are used for bibliographies, encyclopedias and other reference books.

12. 100-199 Psychology & Philosophy
Philosophy and Logic
Who am I? (Man thinks about himself.)

13. 200-299 Religion & Mythology Christianity Other Religions
Who made me? (Man thinks about God.)

14. 300-399 Education & Social Sciences
History
Law
Man thinks about other people.

15. 400-499 Language English French Spanish Other Languages
How can I make that man understand me? PHILOLOGY (Language) (Man learns to communicate with others through words.)

16. 500-599 Natural Sciences & Mathematics
Earth sciences
Plants
Animals
How can I understand nature and the world about me? (Man learns to understand nature on the land, in the sea, and in the sky.)

17. 600-699 Technology (Applied Science)
Medicine
Agriculture
Family living
How can I use what I know about nature? APPLIED SCIENCE AND USEFUL ARTS (Technology)

18. 700-799 Arts, Sports & Recreation
Drawing
Music
Recreational & performing arts
How can I enjoy my leisure time? Create and enjoy music, paint pictures, dance and play games.

19. 800-899 Literature & Rhetoric
American Literature
Old English Literature
Literatures of Other Languages
How can I give my children a record of man's heroic deeds? (Storytelling, create sagas, fables, epic poetry, and plays about man’s ancestors and groups of people.  Writing for people to read.)

20. 900-999 Geography, History & Travel
Biographies
Ancient History
How can I leave a record for men of the future? Man writes about
travel, people, and
events

21. Review Who created the Dewey Decimal Classification System?
How is the Dewey’s System Organized?
Where do you find the DDCS number on a library book?
How many main classifications are there?

22. References http://www.oclc.org/dewey/