Dr. William J. Mayo and Dr. Charles H. Mayo with President Franklin Roosevelt, Rochester, 1934.
Dr. William J. Mayo, c.1933.
Desk F at the Mayo Clinic, Rochester, 1933.
Mayo Clinic, Rochester, c.1928.
Mayo Clinic, Rochester, c.1915.
Dr. Charles H. Mayo operating at the Mayo Clinic, Rochester, 1913.
Second Mayo Clinic office, Rochester, 1911.
William J. Mayo, William W. Mayo, and Charles H. Mayo, c.1910.
Drs. Charles H. Mayo and William J. Mayo in the first operating room at St. Mary's Hospital, Rochester, 1904.
Dr. William W. Mayo, c.1900.
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