A - General Works 8 查看记录 B - Philosophy, Psychology, Religion 23 查看记录 C - Historical Sciences 1 查看记录 D - World History 5 查看记录 E - United States History 2 查看记录 F - General American History 28 查看记录 G - Geography, Anthropology, Recreation 7 查看记录 H - Social Science 48 查看记录 J - Political Science 14 查看记录 K - Law 7 查看记录 L - Education 9 查看记录 M - Music 32 查看记录 N - Fine Arts 4 查看记录 P - Language and Literature 69 查看记录 Q - Science 6 查看记录 R - Medicine 7 查看记录 S - Agriculture 20 查看记录 T - Technology 3 查看记录 U - Military Science 1 查看记录 V - Naval Science 1 查看记录 Z - Library Science 1 查看记录