CLASSIFICATION
H - Social Science
170,119
P - Language and Literature
94,880
Q - Science
81,481
D - World History
48,131
T - Technology
43,944
L - Education
37,726
R - Medicine
36,398
B - Philosophy, Psychology, Religion
34,471
J - Political Science
23,538
G - Geography, Anthropology, Recreation
22,391
N - Fine Arts
22,026
K - Law
21,679
M - Music
12,805
F - General American History
11,388
Z - Library Science
10,315
S - Agriculture
9,415
E - United States History
6,980
C - Historical Sciences
6,345
U - Military Science
2,005
A - General Works
1,963
V - Naval Science
395