(Research):"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZP4-W51 : 12 April 2016), Thomas F Sloan, Pennsylvania, United States; citing p. 8, family 57, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,846.