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Smith, William Carlson (2006). "The Swedes of Oregon". American Swedish Historical Museum Year Book 1946. Archived from the original on 10 December 2006. Retrieved 2006-12-13 – via Bertin Sundvall's Homepage.
Smith, William Carlson (2006). "The Swedes of Oregon". American Swedish Historical Museum Year Book 1946. Archived from the original on 10 December 2006. Retrieved 2006-12-13 – via Bertin Sundvall's Homepage.