CLASSIFICATION
H - Social Science
170,034
P - Language and Literature
94,827
Q - Science
81,450
D - World History
48,085
T - Technology
43,920
L - Education
37,708
R - Medicine
36,406
B - Philosophy, Psychology, Religion
34,452
J - Political Science
23,523
G - Geography, Anthropology, Recreation
22,355
N - Fine Arts
21,986
K - Law
21,580
M - Music
12,804
F - General American History
11,386
Z - Library Science
10,311
S - Agriculture
9,409
E - United States History
6,977
C - Historical Sciences
6,316
U - Military Science
2,005
A - General Works
1,958
V - Naval Science
395