BF - Psychology 2,925
B - Philosophy 2,446
BL - Religions, Mythology, Rationalism 1,030
BX - Christian Denominations 836
BS - The Bible 603
BD - Speculative Philosophy 543
BV - Practical Theology 468
BR - Christianity 428
BT - Doctrinal Theology 364
BJ - Ethics 306
BH - Aesthetics 97
BP - Islam, Bahaism, Theosophy 97
BC - Logic 70
BM - Judaism 63
BQ - Buddhism 41