Charles P. Mitchell A Guide to Charlie Chan Films Westport, Connecticut; London, 1999 |
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James Robert Parish and Michael R. Pitts The Great Detective Pictures Metuchen, N.J. & London, 1990 |
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Richard Bojarski The Films of Bela Lugosi Secaucus, NJ, 1980 |
Aubrey Solomon The Fox Film Corporation, 1915-1935, A history and filmography Jefferson, N.C., 2011 |
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Larry Langman and Daniel Finn A Guide to American Crime Films of the Thirties Westport, Connecticut - London, 1995 |