* | July 23, 1891 New York City, New York, USA | |
† | February 27, 1958 Phoenix, Arizona, USA |
Tom Pendergast, Sara Pendergast (eds.) International Dictionary of Films and Filmmakers, 4. Writers and Production Artists Detroit/New York/San Francisco/London/Boston/Woodbridge, CT, 2000 |
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Ann Lloyd (ed.) Movies of the Thirties London, 1983 |
David Thomson The New Biographical Dictionary of Film New York, 2003 |