Spiritualism Tested: Or The Facts Of Its History Classified, And Their Cause In Nature Verified From Ancient And Modern Testimonies is a book written by George Whitefield Samson and published in 1860. The book explores the history of spiritualism and investigates its claims through a scientific lens. Samson classifies the facts of spiritualism's history and verifies their cause in nature through ancient and modern testimonies. The book also examines...