Signum
H - Social Science
1 443
F - General American History
787
K - Law
609
J - Political Science
451
L - Education
439
G - Geography, Anthropology, Recreation
201
P - Language and Literature
190
R - Medicine
170
B - Philosophy, Psychology, Religion
93
Q - Science
86
N - Fine Arts
63
T - Technology
62
S - Agriculture
46
M - Music
29
E - United States History
24
Z - Library Science
20
D - World History
19
C - Historical Sciences
17
A - General Works
7
U - Military Science
2