| Notes |
- "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XQTH-23H : accessed 6 August 2020), Waldemar Rosentreter, Webster, Worcester, Massachusetts, United States; citing enumeration district (ED) ED 290, sheet 32A, line 3, family 733, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 966; FHL microfilm 2,340,701.
- "United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K4J8-WRC : 24 January 2020), Wildemar Rosentutio, Webster, Webster Town, Worcester, Massachusetts, United States; citing enumeration district (ED) 14-302, sheet 3A, line 17, family 58, 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 1655.
- https://www.ancestry.com/imageviewer/collections/2966/images/41263_2421406273_0186-00043?pId=4152465
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