Do We Know Dewey?
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This document provides an overview of the Dewey Decimal Classification system. It explains that the system was created in 1876 by Melvil Dewey to organize books by subject into 10 main classes which are further divided into more specific categories. The first three numbers represent the general subject class, while additional numbers after the decimal point break subjects into more narrow topics. Some examples of subject categories are given such as 000 for computer science, 100 for philosophy, 200 for religion, and 900 for geography and history. The document concludes by explaining that within each category, books are shelved numerically by call number and then alphabetically by author and title.
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Do We Know Dewey?
- 1. Do We Know Dewey? Using the Dewey Decimal System in the Media Center
- 2. Melvil Dewey, a librarian, invented the Dewey Decimal Classification System in 1846 to sort books by subject.
- 3. How does it work?
- 4. There are always three numbers to the left of the decimal point. These organize information into 10 general classes, which are then broken down into smaller topics. The numbers to the right organize subjects even more specifically.
- 5. 000 Computer Science, Information and General Works Books in this group have many different subjects Computers and the Internet Encyclopedias World Records References News Media Rare Books Unexplained Subjects
- 6. 100 Philosophy and Psychology Emotions and Feelings Supernatural Events Astrology
- 7. 200 Religion 220 = Bible Stories 221 = Old Testament 225 = New Testament 290 = World Religions 296 = Judaism The TENS and ONES numbers separate each class into divisions and sections.
- 8. 300 Social Sciences How people live together Holidays Customs Government Military
- 9. Fun Fact! Fairy and folk tales were written to teach lessons about behavior – that’s Social Studies!
- 10. 400 Language Different Languages and Grammar
- 11. 500 Natural Science and Math Mathematics Things from Nature Earth Sciences Plants Animals
- 12. 600 Technology (Applied Sciences) Man Made Things And Inventions Human Body Medicine Space Science Farming Agriculture Family Living Pets Cooking
- 14. It’s the numbers AFTER the decimal point that organize these into more specific categories! 636.1 = Horses 636.7 = Dogs 636.8 = Cats 636.9 = Pets That way all the cats are with the cats and not with the chickens or ducks!
- 15. 700 Arts and Leisure Things we do for fun! Drawing Music Recreational and Performing Arts Sports
- 16. 796.323 = Basketball 796.332 = Football 796.357 = Baseball 796.44 = Gymnastics 796.962 = Hockey The more numbers after the decimal point, the more specific the category!
- 17. Cheerleaders and Girls Gymnastics don’t belong mixed in with Football or Hockey – they could get hurt!
- 18. 800 Literature and Rhetoric Stories Plays Poetry American Literature Old English Literature
- 19. Fun Fact! “Fiction” books can be placed in 813 – American Fiction. Because there are so many, it’s easier to keep them Under F for Fiction and then by Author, Series and Title.
- 20. 900 Geography and History Past Events Countries of World
- 21. Biographies 920 - 928 Are shelved alphabetically by the subject’s last name, not by the author! Fun Fact!
- 22. Books are shelved NUMERICALLY by: 1. The first three numbers BEFORE the decimal point 2. Then by the numbers AFTER the decimal point After books are grouped numerically, they are organized ALPHABETICALLY by: 1. The AUTHOR’s last name 2. The TITLE of the book
- 23. Information for this presentation was obtained from several free school and library internet sources including Wikipedia, Language arts at pppst.com, thinkquest.org, mikids.com, and breitlinks.com. Featured books were chosen randomly from the shelves, photographed and extracted by myself (some better than others). Copyright 2013 by Natalie RS McManus