Source Information

Ancestry.com. The life of James Francis Leonard : the first practical sound-reader of the Morse alphabet [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.
Original data: Townsend, John Wilson,. The life of James Francis Leonard : the first practical sound-reader of the Morse alphabet. Louisville, Ky.: J.P. Morton & Co., printers to the Filson Club, 1909.