"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZZD-SXF : 15 July 2016), Chester Crowell in household of John Crowell, Columbus, Chenango, New York, United States; citing enumeration district ED 91, sheet 49C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0818; FHL microfilm 1,254,818.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS6L-WDB : 6 March 2015), John A Crowell, Columbus Township, Chenango, New York, United States; citing sheet 9B, family 221, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,241,017.