Letter to Harvey Cushing from George W. Middleton, 1022, East 1st South, Salt Lake City, Utah, USA. Middleton congratulates Cushing on "Life of Sir William Osler." His son, Richard Middleton, is a student at Harvard Medical College. G. Middleton became familiar with Cushing after the year he spent at the Johns Hopkins.

Letter to Harvey Cushing from Samuel H. Allen, Inter-Mountain Clinic, Salt Lake City, Utah, USA. Allen, a former student of Osler and Cushing's, heard of Cushing's "Life of Sir William Osler" during a lecture by Lewellys F. Barker at the meeting of the Medical Association of the Pacific Northwest entitled "Dr. Cushing as an Author."

Letter from C.A. Molson to Margaret Mercer Dawson.