Birt, Hazel Lauttamus. New Finland Homecoming 1888 - 1988(republished online by Saskatchewan Gen Web Julia Adamson). 1988 [2010-12-07]. (原始内容存档于2012-01-17).
Birt, Hazel Lauttamus. New Finland Homecoming 1888 - 1988(republished online by Saskatchewan Gen Web Julia Adamson). 1988 [2010-12-07]. (原始内容存档于2012-01-17).