A - General Works 7,001
B - Philosophy, Psychology, Religion 102,583
C - Historical Sciences 5,928
D - World History 66,657
E - United States History 184,973
F - General American History 15,653
G - Geography, Anthropology, Recreation 18,520
H - Social Science 110,103
J - Political Science 26,316
K - Law 19,930
L - Education 22,211
M - Music 91,987
N - Fine Arts 63,420
P - Language and Literature 162,279
Q - Science 61,930
R - Medicine 32,701
S - Agriculture 8,591
T - Technology 30,583
U - Military Science 4,833
V - Naval Science 1,644
Z - Library Science 5,477
BX - Christian Denominations 22,692
B - Philosophy 16,109
BF - Psychology 11,475
BS - The Bible 8,586
BR - Christianity 7,889
BL - Religions, Mythology, Rationalism 7,442
BT - Doctrinal Theology 7,150
BV - Practical Theology 5,301
BD - Speculative Philosophy 3,852
BJ - Ethics 3,630
BP - Islam, Bahaism, Theosophy 2,765
BM - Judaism 2,464
BQ - Buddhism 1,432
BC - Logic 999
BH - Aesthetics 722