CLASSIFICATION
D - World History
13,590
H - Social Science
4,329
P - Language and Literature
3,243
N - Fine Arts
2,362
B - Philosophy, Psychology, Religion
1,824
E - United States History
1,761
L - Education
1,199
J - Political Science
1,155
F - General American History
1,107
C - Historical Sciences
1,028
G - Geography, Anthropology, Recreation
978
Q - Science
780
T - Technology
594
R - Medicine
406
A - General Works
324
K - Law
286
Z - Library Science
277
M - Music
271
V - Naval Science
258
S - Agriculture
178
U - Military Science
154