Dubuque, Iowa, surgeon. Subject files, articles, and speeches relating in great part to his term as president of the American Medical Association.

Neurosurgeon and book collector specializing in rare medical books. These papers primarily concern Dr. Martin's association with the University of Iowa. The establishment of the John Martin Rare Book Room and the donation of his collection of rare medical books is well documented with correspondence, clippings, brochures, etc. Some autobiographical sketches are included along with records of Dr. Martin's military service.