"United States Census, 1850," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCYS-G54 : accessed 3 May 2015), Chester Swart in household of Peter Swart, Davenport, Delaware, New York, United States; citing family 38, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).