索引号
A - General Works
6
B - Philosophy, Psychology, Religion
11,358
C - Historical Sciences
5
D - World History
26
E - United States History
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F - General American History
6
G - Geography, Anthropology, Recreation
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K - Law
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M - Music
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N - Fine Arts
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P - Language and Literature
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Q - Science
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R - Medicine
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Z - Library Science
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