Classification
M - Music
1,794
C - Historical Sciences
1,101
D - World History
655
H - Social Science
605
B - Philosophy, Psychology, Religion
505
T - Technology
473
E - United States History
448
R - Medicine
427
F - General American History
298
S - Agriculture
262
Q - Science
241
J - Political Science
234
A - General Works
137
Z - Library Science
129
K - Law
122
L - Education
98
G - Geography, Anthropology, Recreation
75
P - Language and Literature
65
N - Fine Arts
56
U - Military Science
3
V - Naval Science
3