Revised check-list of ferns and flowering plants of the Quetico-Superior Wilderness Research Center.

Míreanna comhchosúla

• Breeding for resistance to white pine blister rust
  de réir: Ahlgren, C. E. (Clifford Elmer), 1922-
  Foilsithe / Cruthaithe: (1968)
• The copper mines of lake Superior
  de réir: Rickard, T. A. (Thomas Arthur), 1864-
  Foilsithe / Cruthaithe: (1905)
• Reports of Wm. A. Burt and Bela Hubbard, esqs., on the geography, topography and geology of the U.S. surveys of the mineral region of the south shore of Lake Superior, for 1845; accompanied by a list of working and organized mining companies; a list of mineral location, and a correct map of the mineral region also a chart of Lake Superior, reduced from the British admiralty survey
  de réir: Houghton, J. (Jacob), Jr., 1827-1903
  Foilsithe / Cruthaithe: (1846)
• Swineford's history of the Lake Superior iron district, its mines and furnaces
  de réir: Swineford, A. P. (Alfred P.), 1834-1909
  Foilsithe / Cruthaithe: (1871)
• History and review of copper, iron, silver, slate and other material interests of the south shore of Lake Superior
  de réir: Swineford, A. P. (Alfred P.), 1834-1909
  Foilsithe / Cruthaithe: (1876)