↑ Find a Grave, database and images (https://www.findagrave.com : accessed 22 November 2020), memorial page for Lotan Briggs (unknown–22 Sep 1858), Find a Grave Memorial no. 138477985, citing Denmark Cemetery, Denmark, Lee County, Iowa, USA ; Maintained by No Reins (contributor 46595053) .
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZ4F-68K : 4 April 2020), Latan Briggs, West Point, Lee, Iowa, United States; citing family 124, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1820," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XHL1-MLF : accessed 2 February 2021), Lotan Briggs, Otsego, New York, United States; citing p. 151, NARA microfilm publication M33, (Washington D.C.: National Archives and Records Administration, n.d.), roll 74; FHL microfilm 193,729.