George Leffingwell Reed, ed., Alumni Record: Dickinson College (Carlisle, PA: Dickinson College, 1905), 178.
*Martin, John Henry – Born May 4, 1834, Hartford county, Md.; p., Daniel and Priscilla (Hopkins) Martin; entered 1854; A. B., 1858; M. D., 1862, University of Maryland; physician; practiced profession in Baltimore, Md., until 1902, when failing health compelled him to retire; U. P. society; married, August 28, 1867, Susan Frottor Jones of North Point, Md. Died August 20, 1903, at Aberdeen, Md.