Abstract Dinshah P. Ghadiali (1873-1966) was a spiritualist and founder of the Spectro-Chrome Institute, Malaga, New Jersey. While giving lectures on spectro-chrome therapy in Portland, Oregon, he was arrested on allegations that he had violated the Mann Act. Collection consists of a typescript letter to the editor of the Morning Oregonian, June 16, 1926, regarding his innocence of violation of the Mann Act; a pamphlet, "Railroading a Citizen," 1926; and a newspaper clipping, June 3, 1927, regarding...