CLASSIFICATION
H - Social Science
169,975
P - Language and Literature
94,771
Q - Science
81,422
D - World History
48,055
T - Technology
43,904
L - Education
37,702
R - Medicine
36,403
B - Philosophy, Psychology, Religion
34,446
J - Political Science
23,517
G - Geography, Anthropology, Recreation
22,333
N - Fine Arts
21,971
K - Law
21,570
M - Music
12,802
F - General American History
11,385
Z - Library Science
10,303
S - Agriculture
9,405
E - United States History
6,973
C - Historical Sciences
6,283
U - Military Science
2,005
A - General Works
1,956
V - Naval Science
395