↑ 1.01.11.2Ancestry.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: Sellersville, Bucks, Pennsylvania; Roll: T625_1543; Page: 17B; Enumeration District: 52; Image: 317.
↑ 2.02.12.2Ancestry.com. 1910 United States Federal Census. (Online publication - 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, Bureau of the Census. Thirteenth Census of the Unit) Year: 1910; Census Place: West Rockhill, Bucks, Pennsylvania; Roll: T624_1320; Page: 14B; Enumeration District: 59; Image: 1152.
↑ 3.03.13.2Ancestry.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: West Rockhill, Bucks, Pennsylvania; Roll: 2008; Page: 6A; Enumeration District: 79; Image: 936.0.