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CLASSIFICATION SCHEMES AND YEAR OF PUBLICATION

• Dewey Decimal Classification                        1876
  Expansive Classificatgion                              1891
  Library of congress Classification                  1904
  Universal Decimal Classification                    1905
  Subject Classification                                    1906
• Colon Classification                                      1933
  Bibliographic Classification                           1935
  Riders Internation Classification                    1961
  Broad System of Ordering                             1978