BC - Logic 3
BD - Speculative Philosophy 40
BF - Psychology 606
BH - Aesthetics 5
BJ - Ethics 61
BL - Religions, Mythology, Rationalism 77
BM - Judaism 7
B - Philosophy 139
BP - Islam, Bahaism, Theosophy 594
BQ - Buddhism 6
BR - Christianity 6
BS - The Bible 7
BT - Doctrinal Theology 8
BV - Practical Theology 8
BX - Christian Denominations 9