Online Philosophy, Psychology, and Religion books from the University of Pennsylvania's Online Books Collection

• B-BD: Philosophy
• BC: Logic
• BD: Speculative Philosophy
• BF: Psychology (incl. Parapsychology and the Occult)
• BH-BJ: Aesthetics, Ethics, Etiquette
• BH: Aesthetics
• BJ: Ethics, Etiquette
• BL-BX: Religion
• BL: Religion: General, Miscellaneous, and Atheism
• BM: Judaism
• BP: Islam, Baha'i, and New Religions
• BQ: Buddhism
• BR: Christianity (General)
• BS: The Bible
• BT: Christian Doctrinal Theology
• BV: Christian Practical Theology
• BX: Christian Denominations