Tronrud, Thorold J; Epp, Ernest A.; and others. (1995). "Introduction"互联网档案馆的存檔,存档日期2012-02-07., Thunder Bay: From Rivalry to Unity, p. vii, Thunder Bay Historical Museum Society ISBN 0-920119-22-0
Tronrud, Thorold J; Epp, Ernest A.; and others. (1995). "Introduction"互联网档案馆的存檔,存档日期2012-02-07., Thunder Bay: From Rivalry to Unity, p. vii, Thunder Bay Historical Museum Society ISBN 0-920119-22-0