Oscar William Coursey (1873-? ) was the American author of: History and Geography of the Philippine Islands (1903), Biography of General Beadle (1913), The Woman With a Stone Heart: A Romance of the Philippine War (1914), School Law Digest (1915), Who"s Who in South Dakota (1916), The First White Woman in the Black Hills (with Annie D. Tallent) (1923), Pioneer Days in Jerauld Country (1930) and Pioneering in Dakota (1937).