Vol. 6, no. 5 (pp. 173-178);
Army life at Fort Sedgwick, Colorado.
Brief biographical article describing O'Brien's expriences as the wife of an army officer stationed at Fort Sedgwick, Colorado, ca. 1867.
Denver (Colo.): State Historical Society of Colorado, 1929.
Colorado Magazine Vol. 6, no. 5 (pp. 173-178)