Classification
M - Music
1,273
P - Language and Literature
1,072
D - World History
434
A - General Works
244
R - Medicine
242
B - Philosophy, Psychology, Religion
198
K - Law
185
H - Social Science
179
C - Historical Sciences
143
T - Technology
94
F - General American History
80
E - United States History
69
Q - Science
50
S - Agriculture
49
J - Political Science
37
L - Education
24
G - Geography, Anthropology, Recreation
22
N - Fine Arts
17
Z - Library Science
10
U - Military Science
2