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- [S119332656] Ancestry.com, Minnesota, Territorial and State Censuses, 1849-1905, (Ancestry.com Operations Inc).
- [S119332520] Ancestry.com, 1900 United States Federal Census, (Ancestry.com Operations Inc), Year: 1900; Census Place: Shafer, Chisago, Minnesota; Roll: 759; Page: 7A; Enumeration District: 0012; FHL microfilm: 1240759.
- [S119332501] Ancestry.com, 1910 United States Federal Census, (Ancestry.com Operations Inc), Year: 1910; Census Place: Shafer, Chisago, Minnesota; Roll: T624_693; Page: 5A; Enumeration District: 0014; FHL microfilm: 1374706.
- [S119332468] Ancestry Family Trees, (Online publication - Provo, UT, USA: Ancestry.com. Original data: Family Tree files submitted by Ancestry members.), Ancestry Family Tree.
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