United States Census, 1910," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MG3P-N5Z : accessed 2 January 2021), Henry Crosby in household of Owen Crosby, Philadelphia, Philadelphia, Pennsylvania, United States; citing enumeration district (ED) ED 46, sheet 11A, family 204, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1387; FH