Signum
D - World History
416
B - Philosophy, Psychology, Religion
246
P - Language and Literature
197
N - Fine Arts
52
C - Historical Sciences
26
M - Music
23
Z - Library Science
18
H - Social Science
13
K - Law
13
L - Education
6
T - Technology
6
G - Geography, Anthropology, Recreation
4
R - Medicine
4
S - Agriculture
4
A - General Works
3
Q - Science
3
E - United States History
1
F - General American History
1
J - Political Science
1
V - Naval Science
1