Percy Shelley
Harold Bloom
Religious Epistemology
Tyler Dalton McNabb
An Illustrated Brief History of Western Philosophy
Anthony Kenny
Great books of the Western World - Volume 27
Encyclopaedia Britannica, Inc
Medieval Philosophy: A History of Philosophy without Any Gaps
Peter Adamson
Dictionary of Mysticism
Frank Gaynor
Encyclopedia of African Religion
Molefi Kete Asante & Ama Mazama