Classification
Q - Science
696
R - Medicine
549
D - World History
501
H - Social Science
385
T - Technology
383
M - Music
272
A - General Works
227
P - Language and Literature
207
F - General American History
199
S - Agriculture
170
B - Philosophy, Psychology, Religion
150
K - Law
125
J - Political Science
107
G - Geography, Anthropology, Recreation
84
N - Fine Arts
65
Z - Library Science
58
L - Education
47
C - Historical Sciences
32
U - Military Science
23
E - United States History
19
V - Naval Science
2