"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M8JJ-3G2 : 12 April 2016), Nathaniel Dennick, New York, United States; citing p. 272, family 2234, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,399.
