""Subjective Concepts Of Humans: Source Of Spiritistic Manifestations"" is a book written by John J. Donnelly that explores the various subjective concepts of humans that have led to the manifestation of spiritual phenomena. The book delves into the human psyche and how our beliefs, fears, and desires can influence the way we perceive and interact with the spiritual realm. Donnelly examines various spiritual practices and beliefs from around the world,...