CLASSIFICATION
H - Social Science
167,104
P - Language and Literature
82,523
Q - Science
74,203
D - World History
45,081
T - Technology
42,894
L - Education
36,115
R - Medicine
33,080
B - Philosophy, Psychology, Religion
31,674
J - Political Science
22,800
G - Geography, Anthropology, Recreation
21,500
N - Fine Arts
21,327
K - Law
20,712
M - Music
11,436
Z - Library Science
9,830
S - Agriculture
8,666
F - General American History
8,078
E - United States History
6,858
C - Historical Sciences
5,638
U - Military Science
1,926
A - General Works
1,819
V - Naval Science
381