"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZ9L-VZV : accessed 20 February 2016), Hattie Pritchard in household of William Pritchard, Northfield, Rice, Minnesota, United States; citing enumeration district ED 135, sheet 259A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0632; FHL microfilm 1,254,632.
"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MW1Z-MLJ : accessed 6 December 2014), Mathilda Drentlaw in household of Albert Drentlaw, Northfield, Rice, Minnesota, United States; citing sheet 3A, family 45, NARA microfilm publication T625, National Archives and Records Administration, Washington D.C.; FHL microfilm 1,820,856.