"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWJQ-1WZ : accessed 4 February 2016), William Carr, Philadelphia, Philadelphia, Pennsylvania, United States; citing enumeration district ED 73, sheet 44B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1169; FHL microfilm 1,255,169.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9NG-JJR : accessed 4 February 2016), William Carr, Precinct 2 Camden city Ward 5, Camden, New Jersey, United States; citing sheet 6B, family 137, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,958.