Fred Landesman The John Wayne Filmography Jefferson, North Carolina, and London, 2004 |
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Mark Ricci, Boris Zmijewsky, Steve Zmijewsky The Complete Films of John Wayne New York, NY, 1995 |
Aubrey Solomon The Fox Film Corporation, 1915-1935, A history and filmography Jefferson, N.C., 2011 |
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Herb Fagen The encyclopedia of westerns New York, 2003 |
Alex Cox, Pathfinder, in: Filmcomment, nr. 2 (March/April), 2011 pp. 8 |