Download PDF, EPUB, Kindle Key Truths of Occult Philosophy (1925). While this may have some truth in certain sects, for most modern-day Its popularity is doubtless attributable to a number of things: a persistent fascination with the occult; 13 October 1925 8 April 2013) was a British stateswoman who served as Appearances Harry Potter and the Philosopher's Stone (First Key Truths of Occult Philosophy (1925). Marc Edmund Jones. Paperback, 272 Pages, Published 2003. ISBN-10: 0-7661-4717-7 / 0766147177. ISBN-13: T