Series I. Doctors on Horseback: Pioneers of American Medicine, published 1937, inclusive

Doctors on Horseback – Daniel Drake, Ephraim McDowell, The Death of Pain [card file], before 1937, inclusive

Offsite-Box: 8 (Material Type: Mixed Materials)

Doctors on Horseback – John Morgan, Benjamin Rush [card file], before 1937, inclusive

Offsite-Box: 26 (Material Type: Mixed Materials)

Doctors on Horseback – William Beaumont, Credits, Illustrations, Bibliographies [card file], before 1937, inclusive

Offsite-Box: 33 (Material Type: Mixed Materials)

Doctors on Horseback [manuscript], before 1937, inclusive

Offsite-Box: 54 (Material Type: Mixed Materials)