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