Signatura
F - General American History
251
H - Social Science
137
P - Language and Literature
45
L - Education
31
K - Law
29
G - Geography, Anthropology, Recreation
24
N - Fine Arts
24
B - Philosophy, Psychology, Religion
21
J - Political Science
19
Z - Library Science
13
R - Medicine
11
T - Technology
11
M - Music
7
Q - Science
7
U - Military Science
5
C - Historical Sciences
4
S - Agriculture
3
D - World History
2
A - General Works
1