Source: Thirty-Ninth Annual Announcement of the Missouri Medical College, Formerly Known as “McDowell College” and Hospital (St. Louis, Mo.), 1879-1880 Location: John F. Snyder Papers, Box 3, Archives
Last Name:	Duff
First Name:	W.
Middle Name:	D.
Graduation Year:	1876
Page:	11
Remarks:	in list of alumni of the Missouri Medical College