New York: Humphreys' Homeopathic Medicine Co., 1924.
Octavo (19 x 13 cm.), iv, , 24-505, ,  pages. Advertisements. Index. Frontispiece portrait of the author. Later edition, stated Revised and Enlarged. The Homeopathic Mentor was issued in its original version in 1956. Humphreys was the founder of the Humphreys' Homeopathic Medicine Company. Humphreys was the personal physician to Theron Tilden Pond, developer of Pond's Extract, derived from witch hazel, and the forerunner of Pond's Cold Cream. Upon Pond's death, Humphreys claimed he had been given the rights to produce the cream. The products live on today, currently under the ownership of Unilever. Some light soiling to edges of text block. In publisher's brown cloth; gilt titled to front board and to spine. Some light soiling to cloth, otherwise very good.