"Ohio, County Marriages, 1789-2013," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:2Q74-MFD : 10 December 2017), Jerome Steffen and Anna Belle Miller, 20 Apr 1921; citing Marriage, Putnam, Ohio, United States, , Franklin County Genealogical & Historical Society, Columbus; FHL microfilm.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X4CC-C8X : accessed 5 May 2019), Annabela Seffen in household of Jarome Seffen, Palmer, Putnam, Ohio, United States; citing enumeration district (ED) ED 17, sheet 1B, line 83, family 16, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1865; FHL microfilm 2,341,599.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KWLH-L8Z : 15 March 2018), Annabell Steffen in household of Ronie Steffen, Palmer Township, Putnam, Ohio, United States; citing enumeration district (ED) 69-17, sheet 2A, line 24, family 26, 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 3133.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J2JM-T68 : 8 January 2021), Anna Steffen, Apr 1984; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).