Dewey's Decimal Classification

1. DDC devised by Melvil Dewey in 1876
2. The publication of a 42-pages pamphlet entitled A classification and subject index for cataloguing and arranging the books and pamphlets of a library
3. This was the first edition, which consisted of 12 pages of preparatory matter, 12 pages of tables and 18'pages of index, a total of 42 pages.
4. It contained nearly 1000 classes
5. 1^st edition -1876 (edited by Milton James ferguson )
6. 2^nd edition -1885 (edited by Milton James ferguson )
7. 3^rd edition -1888 (edited by Milton James ferguson )
8. 4^th edition -1891 (edited by Milton James ferguson )
9. 15^th edition -1951 (edited by Milton James ferguson )
10. 15^th edition -1951 (edited by Milton James ferguson )
11. 15^th edition -1951 (edited by Milton James ferguson )
12. 15^th edition -1951 (edited by Milton James ferguson )
13. 15^th edition -1951 (edited by Milton James ferguson )
14. 15^th edition -1951 (edited by Milton James ferguson )
15. 11^th edition _______________________________
16. 12^th edition -1922 (edited by ________________ )
17. 13^th edition -1932 (edited by ________________ )
18. 14^th edition -1942 (edited by ________________ )
19. 15^th edition -1951 (edited by Milton James ferguson )
20. 16^th edition -1958 (edited by Benjamin A Custer )
21. 17^th edition -1965 edited by Benjamin A Custer )
22. 18^th edition -1976  edited by Benjamin A Custer )  (in 3 volumes)
23. 19^th edition – 1979 edited by Benjamin A Custer )(in 3 volumes)
24. 20^th edition -1989 (edited by John P Comaromi) (in 4 volumes)
25. 21^st  edition -1996 (edited by Joan S. Mitchell)   (in 4 volumes)
26. 22^nd   edition -2003 (edited by Joan S. Mitchell)
27. 23^rd edition - 2011 (in 4 vol) Joan S. Mitchell, Julianne Beall and Rebecca Green
28.  The abridged edition, Abridged Edition 15, published in February 2012
29. Forest Press has been the publisher of DDC since 1911 a Division of OCLC Online
30. Computer Library Centre
31. Edition 19 of DDC had been printed from the computer tape in 1979
32. DDC 21 appeared in two formats: In print; and Dewey for Windows, a Microsoft Windows TM-based version (released in August 1996) (CD version) Latter is known as Dewey for Windows (DfW)