Magicians of the Golden Dawn: A Documentary History of a Magical Order, 1887-1923 - Ellic Howe - Second hand Hardcover - Rare

Howe's documentary study of the Hermetic Order of the Golden Dawn is the standard scholarly history of the order. 

Ellic Paul Howe was a British astrologer and writer on occultism and the Hermetic Order of the Golden Dawn as well as on typography and military history. During World War II he worked for Britain's Political Warfare Executive on psychological warfare and forgery techniques under the name 'Armin Hull'.