Surgery at the New York Orthopaedic Hospital, East 59th St., circa 1930.

Surgery at the New York Orthopaedic Hospital, E. 59th St., circa 1930.

Babies Hospital interns, 1932

Babies Hospital interns, 1932.

Columbia-Presbyterian Medical Center, 1929.

Columbia-Presbyterian Medical Center, 1929.

David Hosack anatomy course ticket, London, 1790s.

David Hosack's anatomy course ticket, London, 1790.

Student nurses in Medical Center amphitheater, 1942.

Student nurses attend a class in the Medical Center amphitheater, 1942.