"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X39X-M6Q : accessed 22 July 2019), Robert Levine in household of Harris Levine, Bronx Assembly District 34, New York, New York, United States; citing enumeration district (ED) ED 1576, sheet 3B, family 62, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1002; FHL microfilm 1,375,015.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MJP6-TKM : accessed 22 July 2019), Robert Levine in household of Harry Levine, Bronx Assembly District 7, Bronx, New York, United States; citing ED 403, sheet 2B, line 69, family 37, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1141; FHL microfilm 1,821,141.