James Robert Parish The Great Cop Pictures Metuchen, N.J., & London, 1990 |
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Clifford McCarty Bogey, The Films of Humphrey Bogart New York, NY, 1965 |
Robert Beck The Edward G. Robinson Encyclopedia Jefferson, North Carolina, and London, 2002 |
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Larry Langman and Daniel Finn A Guide to American Crime Films of the Thirties Westport, Connecticut - London, 1995 |
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Paul Michael, editor in chief. James Robert Parish, associate editor The American movies reference book, The sound era Englewood Cliffs, N.J.,, 1969 |