Weiser Antiquarian Bookseller has release catalogue #280 including many by or discussing The Prophet of the Lovely Star and his associates. For instance:
BENNETT, Allan [ Aleister Crowley: related works ] .The Training of the Mind.
New York NY: Samuel Weiser, Inc, 1976. First Edition Thus. Softcover. Octavo. 32pp. Stapled white color illustrated staple-bound card covers. The first separate publication of this essay which was originally published in “The Equinox” Volume 1, Number 5 at the Spring Equinox of 1911. Mere hint of shelf-wear but really appears near new – thus a tight, bright and unmarked near Fine copy. Scarce thus. Item #71897