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Dewey: 900s

Dewey 900s categories by the 10s

900 Geography & History
909 World History
914 Europe
915 Asia
916 Africa
917 North America
918 South America
921 Biography
929.9 Flags
930 Ancient World
940 European History
940.3 World War I
940.53 World War II
956 Middle East History
960 Africa History
970 North America History
973 United States
973.3 Revolutionary War
973.7 Civil War
974 North-eastern States
975 South-eastern States
976 South central States
977 North central States
978 Western States
980 South American History
Created by: beverly4567