Classification
R - Medicine
1,739
B - Philosophy, Psychology, Religion
697
D - World History
374
A - General Works
144
Q - Science
139
E - United States History
38
P - Language and Literature
29
T - Technology
21
H - Social Science
20
G - Geography, Anthropology, Recreation
19
C - Historical Sciences
10
Z - Library Science
8
F - General American History
7
S - Agriculture
7
M - Music
3
N - Fine Arts
1