Making sense of a call number. Dewey Decimal System - A Guide to Call Numbers. Dewey Decimal System. From Dead Media Archive The Dewey Decimal Classification System is a hierarchical system of classification that utilizes decimals to codify divisions. Despite its decreasing popularity, Dewey continues to be the most dominant classification system in the world and is used in over 138 countries and 200,000 libraries. The DDC was created in 1876 by Melville Dewey and in 1988 was acquired by the Online Computer Library Center in Dublin, Ohio who continue to own the trademark. Utility The Dewey Decimal Classification System used numerical hierarchy to order information into categories. 10 Unique Main Classes 100 Unique Divisions 1000 Unique Sections The 10 main classes are intended to cover all human knowledge and be completely comprehensive, but since they organize by discipline there is some collocation.
Main Classes 10 Top Level Classes ▪ 000 – Computer science, information & general works ▪ 100 – Philosophy and psychology ▪ 200 – Religion ▪ 300 – Social sciences ▪ 400 – Language ▪ 800 – Literature. Worldwide, member-owned library cooperative | United States. Finding DDC Numbers “Quick and Dirty”…09.25.08. CyberDewey. A Hotlist of Internet Sites organized using Dewey Decimal Classification codes. The Dewey Decimal Classification is comprised of 10 Classes (Generalities, Philosophy, Religion, Social Science, Language, Natural Science, Technology, Art, Literature, and History). Each class is further subdivided into ten Divisions, and each Division into ten Sections. This page displays the one hundred Divisions, each of which is displayed on a subpage.
The numbers in parentheses show the number of links in each Division. Related Materials: My article Organizing Computer Resources tells the tortuous path I followed before discovering that Dewey is a robust, general-purpose way to organize just about anything. Internet Cataloguing-in-Publication Data Mundie, David A. DDC Summaries © 1989 by OCLC Online Computer Library Center, Inc. Dewey Decimal Classification System. 600 Technology (Applied sciences) 601 Philosophy & theory 602 Miscellany 603 Dictionaries & encyclopedias 604 Special topics 604.2 Technical drawing 604.7 Hazardous materials technology 605 Serial publications 606 Organizations 607 Education, research, related topics 608 Invention & patents 609 Historical, areas, persons treatment 610 Medical sciences; Medicine 610.6 Organizations, management, professions 610.7 Education, nursing, related topics 610.9 Historical, geographic, persons treatment 611 Human anatomy, cytology, histology 612 Human physiology 613 Promotion of health 614 Incidence & prevention of disease 615 Pharmacology & therapeutics, prescription drugs 616 Diseases 617 Surgery & related medical specialties 619 Experimental medicine 623 Military & nautical engineering 624 Civil engineering 625 Engineering of railroads, roads 626 not used 627 Hydraulic engineering 628 Sanitary & municipal engineering, environmental protection engineering 629 Other branches of engineering 633 Field & plantation crops.
CMRLS, Dewey Decimal Classification, Subject Headings. AskA Help: Ask a Librarian and KB: contents of help. AskA Help: Map LC (LCC) to Dewey (DDC) Classification.