Signum
P - Language and Literature
8 154
H - Social Science
2 941
B - Philosophy, Psychology, Religion
2 119
D - World History
1 522
F - General American History
1 364
L - Education
1 095
K - Law
1 080
J - Political Science
968
Q - Science
799
N - Fine Arts
599
R - Medicine
559
T - Technology
527
G - Geography, Anthropology, Recreation
435
M - Music
167
Z - Library Science
156
E - United States History
130
C - Historical Sciences
116
S - Agriculture
83
U - Military Science
45
A - General Works
42
V - Naval Science
16