Signum
P - Language and Literature
334
H - Social Science
179
D - World History
165
B - Philosophy, Psychology, Religion
148
Q - Science
73
R - Medicine
61
J - Political Science
54
G - Geography, Anthropology, Recreation
46
K - Law
46
T - Technology
42
N - Fine Arts
36
L - Education
35
F - General American History
31
S - Agriculture
15
A - General Works
14
C - Historical Sciences
14
M - Music
13
Z - Library Science
9
E - United States History
8
U - Military Science
2