Classification
K - Law
619
P - Language and Literature
452
H - Social Science
41
F - General American History
39
Z - Library Science
4
L - Education
3
M - Music
3
C - Historical Sciences
2
R - Medicine
2
S - Agriculture
2
A - General Works
1
B - Philosophy, Psychology, Religion
1
J - Political Science
1
Q - Science
1
T - Technology
1