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- [S1154] 1910 U.S. census, Digital images, (National Archives and Records Administration, n.d.).
- [S1156] Ancestry.com, 1930 United States Federal Census, (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date:2002;).
- [S1157] 1920 United States Federal Census, 1920 United States Federal Census, (Ancestry.com. 1920 United States Federal Census [database on-line]. 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 of America, Bureau of the Census. Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920. T625, 2,076 rolls.).
- [S1155] Ancestry.com. 1940 United States Federal Census [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2012., Original data: United States of America, Bureau of the Census. Sixteenth Census of the United States, 1940. Washington, D.C.: National Archives and Records Administration, 1940. T627, 4,643 rolls.
- [S1158] United States Census, 1910.” Images and index. FamilySearch. http://FamilySearch.org : accessed 2013. Citing NARA microfilm publication T624. Washington D.C.: National Archives and Records Administration, n.d.
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