United States census of population, 1950:Special reports; prepared under supervision of Howard G. Brunsman, chief, Population and Housing Division, report P-E (series). 3B. Nonwhite population by race [Negroes, Indians, Japanese, Chinese, Filipinos, by age, sex, marital status, education, employment status, occupation, income, etc.]. table 21, Indian agency areas, Colorado River, page 76, corrections.