Cosmatos, George P. (Autor Personal)

Tombstone, 1994: credits (directed by George P. Cosmatos)

LC in RLIN, July 11, 1997 (hdg.: Cosmatos, George P.)

Internet movie database, July 11, 1997 (George P. Cosmatos; also known as George Pan Cosmatos, b. Jan. 4, 1941, Tuscany, director, writer)

Wikipedia WWW site, May 5, 2005 (George Pan Cosmatos; b. Jan. 4, 1941, Florence; d. Apr. 19, 2005, Victoria, B.C.; Italian-born Greek-American film director)

Halliwell's filmgoers companion, 1988.