Letter to John H. Musser, January 10, 1888
1502 Walnut Street note-book, January 31, 1888
Osler's "Notes and Comments" from the Canada Medical & Surgical Journal, July 1888
Letter to John H. Musser, March 1, 1888
Letter to F. Roberts, March 10, 1888
Letter to Unidentified, ca. June 20, 1888
Letter to Henry Vining Ogden, May 15, 1888
Letter to Jennette Osler, June 20, 1888
Letter to Henry Vining Ogden, September 4, 1888
Letter to Henry Vining Ogden, October 2, 1888