| * | April 12, 1887 Brooklyn, New York, USA | |
| as Harold A. Lockwood | ||
| † | October 19, 1918 New York City, New York, USA |
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DeWitt Bodeen From Hollywood, The Careers of 15 Great American Stars New York - London, 1976 |
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Roy Liebman Silent Film Performers, An Annotated Bibliography of Published, Unpublished and Archival Sources for over 350 Actors and Actresses Jefferson, North Carolina, and London, 1996 |
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John Richard Finch and Paul Elby Close-Ups, From the Golden Age of the Silent Cinema South Brunswick and New York - London, 1978 |