| Notes |
- "Massachusetts Marriages, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N4WP-3Y7 : 24 May 2018), Julius Rosenstreter and Alvine Onasch, 27 Jun 1885; citing Webster, Webster, Worcester, Massachusetts, United States, State Archives, Boston; FHL microfilm 1,415,221.
- "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9BH-S1C : accessed 19 August 2020), Anna Rosentreter in household of Julius Rosentreter, Webster town (northeast part), Worcester, Massachusetts, United States; citing enumeration district (ED) 1700, sheet 12A, family 241, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,695.
- "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M225-DV1 : accessed 19 August 2020), Annie Rosentreter in household of Julius Rosentreter, Webster, Worcester, Massachusetts, United States; citing enumeration district (ED) ED 1836, sheet 28B, family 539, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 630; FHL microfilm 1,374,643.
- "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF9T-7ZY : accessed 19 August 2020), Frederick Rosentreter in household of Julius Rosentreter, Webster, Worcester, Massachusetts, United States; citing ED 175, sheet 26B, line 53, family 506, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 749; FHL microfilm 1,820,749.
- https://www.ancestry.com/imageviewer/collections/3659/images/41263_2421406273_0068-00336
- https://www.ancestry.com/imageviewer/collections/2511/images/41262_b139325-00367
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