Mrs. Arthur Thomas McCormack, "The Dr. Ephraim McDowell Memorial in Richmond Kentucky", Filson Club History Quarterly, 4:4, (October 1930).
Mary Young Ridenbaugh, The biography of Ephraim McDowell, M.D., "the father of ovariotomy", C.L. Webster, (1890).
John Studd, "Ovariotomy for Menstrual Madness and Premenstrual Syndrome -- 18th century history and Lessons for Current Practice", Gynecol Endocrinol, 8 (2006): pp. 411-415