* | June 17, 1866 Cambridge, Massachusetts, USA | |
† | July 6, 1943 Hollywood, California, USA |
Glenn Mitchell The Marx Brothers Encyclopedia London, 1996 |
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Ken D. Jones, Arthur F. McClure, Alfred E. Twomey Character People, The Stalwarts of the Cinema South Brunswick and New York - London, 1976 |
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Motion Picture Studio Directory, Trade Manual 1921 New York, 1921 |