Clergyman. A minute book (1900-1908) kept by the secretary of the Apache Indian Mission at Fort Sill, Oklahoma; manuscripts (n.d.) concerning the history of the Dutch Reformed church schools, the Comanche Mission, the Warm Springs Apaches, and...
Journalist. Typescripts of correspondence (1879) and memoirs (1860-1874) concerning Quanah Parker; the first telephone in Indian Territory; life at Fort Sill, and Fort Reno, Oklahoma Territory; and the hunting of buffalo; along with an account...
Interpreter. A Comanche-English dictionary (ca. 1895), with a Comanche alphabet and diacritical markings, compiled by Detrick while serving as an interpreter for the Red Store Trading Post at Fort Sill, Indian Territory. Also included in the...