* Oyos, Lynwood E., ed. ''Over a Century of Leadership: South Dakota Territorial and State Governors.'' Sioux Falls, S.D.: Augustana College, Center for Western Studies, 1987. 224 pp. | * Oyos, Lynwood E., ed. ''Over a Century of Leadership: South Dakota Territorial and State Governors.'' Sioux Falls, S.D.: Augustana College, Center for Western Studies, 1987. 224 pp. |