Signum
D - World History
172
P - Language and Literature
40
G - Geography, Anthropology, Recreation
32
N - Fine Arts
25
H - Social Science
24
B - Philosophy, Psychology, Religion
18
C - Historical Sciences
10
T - Technology
10
Q - Science
9
S - Agriculture
8
K - Law
6
J - Political Science
2
A - General Works
1
U - Military Science
1
Z - Library Science
1