Classification
M - Music
43,322
P - Language and Literature
5,466
F - General American History
4,835
A - General Works
1,467
D - World History
667
N - Fine Arts
560
B - Philosophy, Psychology, Religion
555
H - Social Science
459
S - Agriculture
259
E - United States History
233
R - Medicine
158
J - Political Science
122
T - Technology
104
K - Law
91
L - Education
62
G - Geography, Anthropology, Recreation
61
Q - Science
51
Z - Library Science
40
U - Military Science
39
C - Historical Sciences
20
V - Naval Science
7