| * | January 29, 1880 Darby, Pennsylvania, USA | |
| as William Claude Dukenfield | ||
| † | December 25, 1946 Pasadena, California, USA |
|
David Thomson The New Biographical Dictionary of Film New York, 2003 |
|
|
Kay Weniger Das große Personenlexikon des Films, Zweiter Band, C-F Berlin, 2001 |
|
|
Danny Peary Cult Movie Stars New York, [..], 1991 |
|
|
Anthony Slide (ed.) Selected Vaudeville Criticism Metuchen, N.J., & London, 1988 |
|
|
Stanley Appelbaum and James Camner (editors) Stars of the American Musical Theater in Historic Photographs, 361 Portraits from the 1860s to 1950 New York, 1981 |
|
|
Joe Franklin Encyclopedia of Comedians Secaucus, N.J., 1979 |
|
|
Paul Michael, editor in chief. James Robert Parish, associate editor The American movies reference book, The sound era Englewood Cliffs, N.J.,, 1969 |
|
|
John Richard Finch and Paul Elby Close-Ups, From the Golden Age of the Silent Cinema South Brunswick and New York - London, 1978 |