DDC

Dewey Decimal Classification

Edition	Year of Publication	Total Pages	Editors	Abridged edition	Year of Ab. Edit.
1st Ed.	1876	44	Melvil Dewey
2nd Ed.	1885	314	Melvil Dewey and W.S. Biscoe
3rd Ed.	1888	416	Melvil Dewey and W.S. Biscoe
4th Ed.	1891	466	E. May Seymour
5th Ed.	1894	467	E. May Seymour	1st Ed.	1895
6th Ed.	1899	511	E. May Seymour
7th Ed.	1911	792	E. May Seymour
8th Ed.	1913	850	E. May Seymour	2nd Ed.	1915
9th Ed.	1915	856	E. May Seymour
10th Ed.	1919	940	E. May Seymour
11th Ed.	1922	988	Jennie Dorkas Fellows	3rd Ed.	1926
12th Ed.	1927	1243	Jennie Dorkas Fellows	4th Ed.	1929
13 Ed.	1932	1647	Jennie Dorkas Fellows and M. W. Getchell	5th Ed.	1936
14th Ed.	1942	1927	Constantin Mazney and M. W. Getchell	6th Ed.	1945
15th Ed.	1951	716	Milton J. Fergusom	7th Ed.	1953
15th Ed. Revised	1952	927	Godfrey Dewey
16th Ed.	1958	2439	Benjamin A. Custer and D. Haykin	8th Ed.	1959
17th Ed.	1965	2153	Benjamin A. Custer and D. Haykin	9th Ed.	1965
18th Ed.	1971	2718	Benjamin A. Custer	10th Ed.	1971
19th Ed.	1979	3385	Benjamin A. Custer	11th Ed.	1979
20th Ed.	1989	3388	Benjamin A. Custer	12th Ed.	1990
21th Ed.	1996	4115	John P. Comaromi	13th Ed.	1997
22th Ed.	2003	4076	Joan S. Mitchell	14th Ed.	2004
23th Ed.	2011		Joan S. Mitchell	15th Ed.	2012
Michael Panzer, formerly Assistant Editor, has been named the 10th Editor-in-Chief of the Dewey Decimal Classification (DDC) system. Web Dewey : DDC-22 accessible through the Internet.