Signum
P - Language and Literature
210
H - Social Science
206
D - World History
96
L - Education
86
T - Technology
86
J - Political Science
77
B - Philosophy, Psychology, Religion
75
Q - Science
74
K - Law
59
R - Medicine
38
N - Fine Arts
31
G - Geography, Anthropology, Recreation
30
C - Historical Sciences
19
M - Music
14
S - Agriculture
13
Z - Library Science
8
A - General Works
2
F - General American History
2