↑ "United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J1TK-L3L : 10 January 2021), Katherine Jundt, Oct 1986; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
↑ State Historical Society of North Dakota; Bismark, North Dakota; Marriage Records. Kasmer Jundt and Katherine Lacher, Burleigh, 26 February 1938. (https://statemuseum.nd.gov/database/marriages/ Accessed 4 April 2023.)
↑ Find a Grave, database and images (https://www.findagrave.com/memorial/75832989/katherine-jundt: accessed 04 April 2023), memorial page for Katherine Lacher Jundt (7 Oct 1916–1 Oct 1986), Find a Grave Memorial ID 75832989, citing Saint Marys Cemetery, Bismarck, Burleigh County, North Dakota, USA; Maintained by Brian Backes (contributor 47148484).
"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XKJY-WC8 : accessed 4 April 2023), Katherine Lacher in household of John Lacher, Bismarck, Burleigh, North Dakota, United States; citing enumeration district (ED) ED 5, sheet 12A, line 32, family 235, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1732; FHL microfilm 2,341,466.