| Notes |
- "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MPVT-S3B : accessed 19 August 2020), Lehla Rosentreter in household of Martin Rosentreter, Augusta Ward 2, Eau Claire, Wisconsin, United States; citing enumeration district (ED) ED 44, sheet 7B, family 124, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1710; FHL microfilm 1,375,723.
- "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF2M-M1M : accessed 4 June 2020), Bruno O Rosentreter in household of Martin F Rosentreter, Augusta, Eau Claire, Wisconsin, United States; citing ED 113, sheet 4B, line 71, family 92, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1983; FHL microfilm 1,821,983.
https://www.familysearch.org/ark:/61903/1:1:MF2M-M1M
- https://www.ancestry.com/imageviewer/collections/2957/images/41911_prep809_000586-00358
- https://www.ancestry.com/imageviewer/collections/7488/images/NYT715_370-0401
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