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...
Teacher. Certificates and teaching contracts (1894-1923); a teaching assignment (1907) from the U.S. Indian Service at McAlester, Indian Territory; and the Choctaw spelling book Chata Holisso (n.d.), printed by the Richmond Presbyterian Committee...