"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MJGK-XSY : accessed 11 April 2016), Helen Burke in household of James Burke, Bronx Assembly District 1, Bronx, New York, United States; citing sheet 1B, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,821,129.