BX - Christian Denominations 393,180
B - Philosophy 281,503
BP - Islam, Bahaism, Theosophy 193,400
BS - The Bible 189,217
BL - Religions, Mythology, Rationalism 182,180
BF - Psychology 174,226
BV - Practical Theology 166,376
BR - Christianity 139,195
BM - Judaism 138,431
BT - Doctrinal Theology 113,730
BQ - Buddhism 87,333
BJ - Ethics 61,585
BD - Speculative Philosophy 46,289
BH - Aesthetics 15,409
BC - Logic 12,054
N - Visual Arts 3
E - United States History 2
KF - United States 1
M - Music 1
S - General Agriculture 1
V - General Naval Science 1