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Dewey Decimal Classification and Relative Index, DDC 20 (4-Volume Set) 20th Edition
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From Library Journal
Billed as the most popular classification in the world, the DDC 21 works hard to merit its preeminent status. The overarching philosophy of this edition, updated and revised from 1989's DDC 20, is user convenience. More understandable terminology and simpler subdivision practice will be appreciated by classifiers and patrons alike. New faceting makes many subject areas more flexible and expandable. Visible efforts to reduce U.S. bias in wording and structure are welcome. The most extensive revisions (other than updating for changed jurisdictions) occur in Religion, Public Administration, and Life Sciences. In an effort to lessen Christian bias, the standard subdivisions of Christianity have been relocated from 201-209 to Christianity (230-270). A new option puts Old Testaments books in the original Jewish order, and 296 Judaism and 297 Islam have been expanded. Numbers for Public Administration are the same (350-354), but the citation order is changed from jurisdiction/ topic to topic/jurisdiction and subdivision is faceted. The citation order in Biology (570s) also is flipped to process/organism for internal biological processes. Other changes include updated terminology and new topics (rap music, Internet, virtual reality, in-line skating, etc.). The CD-ROM version, Dewey for WindowsTM, has additional index terms and historical notes for changed numbers. If implemented properly, DDC 21 will make browsing more satisfying and classifying easier. Recommended. [The CD-ROM is available separately for a single workstation license of $400 or for an additional $200 in combination with the print edition.?Ed.]?Sheila S. Intner, GSLIS, Simmons Coll., Bosto.
-?Sheila S. Intner, GSLIS, Simmons Coll., Boston
Copyright 1996 Reed Business Information, Inc. --This text refers to an out of print or unavailable edition of this title.
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1) This is the 19th edition, published in 1979. So there are going to be topics not classified yet, especially in science, modern history, and politics.
2) Most recent books have the DDS classification in the Library of Congress Cataloging in Publication Data on the Publishing Page of the book, maybe obviating the need for a classifying book.
3) I've ordered this same set(on 7-9 and 7-10-13), but ordered from separate sellers. I paid $1.49 + $4.79 + $3.35 (plus $11.97 S&H), for a total of $21.60 (for all three volumes). You might consider ordering from separate sellers, if price is important to you.
But, otherwise I find the Volume 2 (actual DDS numbers) and Volume 3 (subject index) to be invaluable. And as an earlier review mentioned, if this is your personal copy, or for a personal collection (a very large personal collection), writing in the book (lots of available space) is a very good idea.
The first volume covers the rules for using and assigning DDC numbers.
The second and third volumes contain the schedules / summaries for actually assigning the DDC number.
The fourth contains the Relative Index (a Library Tech's best friend), which assists in locating appropriate numbers.
I know its a lot of money, but it is well worth it if you are serious about working in this field.