| Sources |
- [S17432] 1910 census, California, San Mateo county.
- [S53634] Death index, California, (Ancestry.com. California, Death Index), Name: Dorothy Gottlieb Social Security #: 571322911 Gender: Female Birth Date: 2 May 1907 Birth Place: California Death Date: 11 Jan 1975 Death Place: Marin (Reliability: 3).
- [S53628] Birth index, California, (Ancestry.com. California Birth Index, 1905-1995), Name: Dorothy Haskel Birth Date: 2 May 1907 Gender: Female Mother's Maiden Name: Brinkman Birth County: San Francisco (Reliability: 3).
- [S36688] 1930 census, California, San Francisco county, Year: 1930; Census Place: San Francisco, San Francisco, California; Page: 21B; Enumeration District: 0292 (Reliability: 3).
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