| * | September 2, 1884 Binghamton, New York, USA | |
| as Helen Louise Gardner | ||
| † | November 20, 1968 Orlando, Florida, USA |
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Richard Abel (ed.) Encyclopedia of early cinema London and New York, 2005 |
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Roy Liebman Silent Film Performers, An Annotated Bibliography of Published, Unpublished and Archival Sources for over 350 Actors and Actresses Jefferson, North Carolina, and London, 1996 |
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