| Sources |
- [S926] Personal Papers and Manuscripts: Viola Werrtheim Bernard. Finding Aids, Columbia HSLArchives and Special Collections. Augustus C. Long Health Sciences Library, 701 W. 168th St., NY, New York 1003 <http://library.cpmc.columbia.edu/hsl/archives/findinga.
- [S927] Viola Wertheim Bernard, The Adoption History Project: Department of History, University of Oregon, Eugene, Oregon 97403-1288 Ellen Herman online [http://darkwing.uoregon.edu/~adoption/people/bernard.htm ], accessed 7 Oct 2005.
- [S908] Jacob Wertheim obituary, New York Times, New York, NY, 15 Nov 1920, p. 14.
- [S112] Social Security Death Index (U.S. Social Security Administration).
- [S32] Ancestry.com. 1910 United States Federal Census [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2006. For details on the contents of the film numbers, visit the following NARA web page: NARA Original data: United States of America, B, Series: T624; Roll: 1045; Page: 323B; Enumeration District: 1286; Part: 1; Line: 48.
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