"United States, Social Security Numerical Identification Files (NUMIDENT), 1936-2007", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6KWK-BXK3 : 10 February 2023), Emma L Sauer in entry for Gary Glenn Ellis, 1980.
"United States, GenealogyBank Obituaries, Births, and Marriages 1980-2014", FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QV5W-QJ9T : Fri Oct 20 19:53:21 UTC 2023), Entry for Mrs Emma Or Lee Stilgebouer and Otto Leo Sauer, 03 Jun 1991.
Find A Grave: Memorial #36249529 Emma Lee Sauer Stilgebouer (26 Jan 1924–24 May 1991), Fort McPherson National Cemetery, Maxwell, Lincoln County, Nebraska, USA