"Minnesota State Census, 1885," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MQFS-X9C : 5 August 2017), Christina Bollman in household of Ole Bollman, Stockholm, Wright, Minnesota; citing p. 1, volume Wright, State Library and Records Service, St.Paul; FHL microfilm 565,760. Baxter-5479 10:14, 4 June 2020 (UTC)
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9QH-Y1W : accessed 4 June 2020), Christina Cervin in household of A Cervin, Cokato Township (the 12 southern sections) Cokato village, Wright, Minnesota, United States; citing enumeration district (ED) 221, sheet 1A, family 11, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,798. Baxter-5479 10:14, 4 June 2020 (UTC)
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2GQ-XNQ : accessed 4 June 2020), Christine Cervin in household of Algot Cervin, Minneapolis Ward 3, Hennepin, Minnesota, United States; citing enumeration district (ED) ED 48, sheet 15B, family 330, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 701; FHL microfilm 1,374,714. Baxter-5479 10:14, 4 June 2020 (UTC)
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWYX-H7T : accessed 4 June 2020), Christina Cervin in household of Algot Cervin, Minneapolis Ward 3, Hennepin, Minnesota, United States; citing ED 53, sheet 13A, line 34, family 285, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 833; FHL microfilm 1,820,833. Baxter-5479 10:14, 4 June 2020 (UTC)
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X3ZD-RRP : accessed 4 June 2020), Christine Cervin in household of Algot Cervin, Minneapolis (Districts 318-328), Hennepin, Minnesota, United States; citing enumeration district (ED) ED 319, sheet 12B, line 86, family 183, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1090; FHL microfilm 2,340,825 Baxter-5479 10:14, 4 June 2020 (UTC)
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KSVR-6QF : 28 February 2020), Christine Cervin in household of Algot Cervin, Ward 3, Minneapolis, Minneapolis City, Hennepin, Minnesota, United States; citing enumeration district (ED) 89-55, sheet 11A, line 5, family 200, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1977. Baxter-5479 10:14, 4 June 2020 (UTC)