"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCYZ-3HT : 12 April 2016), A S Sprague, Buffalo, ward 5, Erie, New York, United States; citing family 126, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"New York State Census, 1865," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVNN-V9KK : accessed 2 August 2017), Henry S Sprague in household of Mary Sprague, District 03, Ward 02, Buffalo, Erie, New York, United States; citing source p. 25, line 15, household ID 187, county clerk, board of supervisors and surrogate court offices from various counties. Utica and East Hampton Public Libraries, New York; FHL microfilm 825,683.
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