↑ 1.01.11.2Ancestry.com. 1930 United States Federal Census. (Online publication - Provo, UT, USA: The Generations Network, Inc., 2002.Original data - United States of America, Bureau of the Census. Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930. T626) Year: 1930; Census Place: Cambridge, Middlesex, Massachusetts; Roll: 915; Page: 7B; Enumeration District: 28; Image: 911.0.
↑ 2.02.12.22.3Ancestry.com. 1920 United States Federal Census. (Online publication - Provo, UT, USA: The Generations Network, Inc., 2005. For details on the contents of the film numbers, visit the following NARA web page: NARA. Note: Enumeration Districts 819-839 on roll 323 (Chicago City.Original data - United States) Year: 1920; Census Place: Cambridge Ward 3, Middlesex, Massachusetts; Roll: T625_708; Page: 6A; Enumeration District: 40; Image: 188.