found: Koch, H. Gelasius im kirchenpolitischen Dienste seiner Vorgänger, der Papste Simplicius (468-483) und Felix III. (483-492), 1935:t.p. (Felix III, 483-492)
found: Britannica Micro., v. 9, p. 123, List of popes and antipopes:(numbering varies depending on whether antipopes are counted; Felix III (or II), 483-492)
found: Cath. encyc.(Felix III, Pope, St., March 13, 483-March 1, 492 (feast, March 1), successor to Simplicius)
found: Holweck, F. Biog. dict. of the saints, 1969(Felix II (falsely III), Pope, 13 March 483-92)
