OCLC database, viewed October 1, 2013 (heading: Goto, John, Saint, 1578-1597 ; usage: Jean Soan de Gotto, Giovanni Ioan de Goto)
Patron Saints Index, viewed October 2, 2013 (Saint John Soan de Goto, born circa 1578 in the Goto Islands, Japan. Crucified on 5 February 1597 at Nagasaki, Japan, canonized 8 June 1862) http://saints.sqpn.com/saintj4r.htm