↑ "United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8F2-ZYN : 17 October 2014), Cornelius Rickard, New York, United States; citing p. 19, family 135, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,422.
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZZK-2QC : 15 July 2016), Fredrick Rickard in household of Corneal Rickard, Hancock, Delaware, New York, United States; citing enumeration district ED 71, sheet 204C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0823; FHL microfilm 1,254,823.
↑ "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS6B-YPN : 6 March 2015), Cornelius Richard, Hancock Township (south part excl. Hancock vill.), Delaware, New York, United States; citing sheet 1B, family 17, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,241,021.