| Notes |
- "Massachusetts Marriages, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N4H8-HPL : 24 May 2018), Gustave Rosentreter and Augusta Reiter, 2 Oct 1891; citing Webster, Webster, Worcester, Massachusetts, United States, State Archives, Boston; FHL microfilm 1,651,232.
- "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9B4-GR8 : accessed 18 July 2020), Augusta Rosentreter in household of Gustav Rosentreter, Webster town (northeast part), Worcester, Massachusetts, United States; citing enumeration district (ED) 1700, sheet 10A, family 198, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,695.
- https://www.ancestry.com/imageviewer/collections/2495/images/40143_270671__0001-00004
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