B - Philosophy, Psychology, Religion 8,281 M - Music 1,908 P - Language and Literature 999 D - World History 216 Q - Science 151 K - Law 118 H - Social Science 81 L - Education 68 Z - Library Science 54 C - Historical Sciences 40 G - Geography, Anthropology, Recreation 31 S - Agriculture 29 N - Fine Arts 27 E - United States History 14 J - Political Science 11 F - General American History 8 R - Medicine 8 T - Technology 5 U - Military Science 5 A - General Works 3