索引号
A - General Works
30
B - Philosophy, Psychology, Religion
1,772
C - Historical Sciences
11
D - World History
22
E - United States History
146
F - General American History
20
G - Geography, Anthropology, Recreation
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H - Social Science
207
J - Political Science
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K - Law
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L - Education
201
M - Music
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N - Fine Arts
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P - Language and Literature
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R - Medicine
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T - Technology
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U - Military Science
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V - Naval Science
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Z - Library Science
9