1935 464pp and 1936 959pp The Rosicrucian Foundation. Illustrated. Green cloth with design and titling stamped in gilt. Mark to front board of first volume, which has knocks to bottom corners, else VG.

Massive work which traces the roots of the Rosicrucian movement in the United States. Clymer wrote the books to prove the legitimacy of his own group and spends much time attacking perceived rival groups, especially H. Spencer Lewis and the Ancient Mystical Order Rosae Crucis (AMORC). Includes an illustrated section on Aleister Crowley's O.T.O.