CLASSIFICATION
H - Social Science
171 718
P - Language and Literature
117 562
Q - Science
81 828
L - Education
78 214
D - World History
57 871
T - Technology
48 857
R - Medicine
36 567
B - Philosophy, Psychology, Religion
35 497
N - Fine Arts
24 768
J - Political Science
24 110
G - Geography, Anthropology, Recreation
23 616
K - Law
22 689
M - Music
20 078
C - Historical Sciences
17 378
F - General American History
12 335
S - Agriculture
11 385
Z - Library Science
10 359
A - General Works
8 497
E - United States History
7 858
V - Naval Science
3 513
U - Military Science
2 091