Bibliography
- Clapesattle, Helen. The Doctors Mayo (University of Minnesota Press, 1941; later editions are abridged).
- Fye, W. Bruce "The Origins and Evolution of the Mayo Clinic from 1864 to 1939: A Minnesota Family Practice Becomes an International 'Medical Mecca'", Bulletin of the History of Medicine Volume 84, Number 3, Fall 2010 pp. 323–357 in Project MUSE
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