"United States, GenealogyBank Obituaries, 1980-2014," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QK4C-BK2H : accessed 25 October 2020), Maudetta Halden in entry for Wayne E Ricketts, Champaign-Urbana, Illinois, United States, 12 Sep 2011; from "Recent Newspaper Obituaries (1977 - Today)," database, GenealogyBank.com (http://www.genealogybank.com : 2014); citing News-Gazette, The, born-digital text.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KM13-75Z : 22 May 2020), Maudetta Halden in household of Berry S Halden, Ward 2, Indianola, Washington Township, Warren, Iowa, United States; citing enumeration district (ED) 91-31, sheet 12B, line 76, family 295, 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 1210.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XMVH-4Z2 : accessed 25 October 2020), Maudetta Halden in household of Berry Halden, Troy, Monroe, Iowa, United States; citing enumeration district (ED) ED 14, sheet 2A, line 31, family 33, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 670; FHL microfilm 2,340,405.
"Iowa, County Births, 1880-1935," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VR8D-RBX : 1 April 2020), Mandetta Holden, 26 Jun 1920; citing Albia, Monroe, Iowa, United States; county district courts, Iowa; FHL microfilm 1,887,671.
"Iowa State Census, 1925," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QKQQ-SMJY : 20 June 2020), Maudetta Halden, Albia, Monroe, Iowa, United States; citing Albia, Monroe, Iowa, United States, Iowa State Historical Department, Des Moines; FHL microfilm .