Bleed, Peter, The Archaeology of Petaga Point, The Preceramic Component. Minnesota Historical Society, St. Paul, 1969

Brown, Charles E., The Native Copper Implements of Wisconsin and The Native Copper Ornaments of Wisconsin, The Wisconsin Archeologist (old series 3, 1904

Brown, Charles E., "Myths, Legends and Superstitions about Copper", Wisconsin Archeologist 20 No.2 1939 pp. 35-40

"Copper: Its Mining and Use by the Aborigines of the Lake Superior Region." The Milwaukee Public Museum Bulletin, 10 1929

Drier, Roy W. and Octava J. Du Temple, Prehistoric Copper Mining in the Lake Superior Region, 1961, privately published

Ferguson, William, "The Franklin Isle Royale Expedition", Michigan History Magazine 8 1924 pp. 450-68

Fox, G.R., "The Ancient Copper Workings on Isle Royale", The Wisconsin Archeologist 10(2), pp.73-100, 1910

Griffin, James B., "Lake Superior Copper and the Indians: Miscellaneous Studies of Great lakes Prehistory", Anthropological Papers 17, Museum of Anthropology, Univ. of Mich., 1961

Holmes, W.H., "Aboriginal Copper Mines of Isle Royale, Lake Superior", American Anthropologist (new series) 3, pp.684-696

Hruska, Robert, "The Riverside Site: A Late Archaic Manifestation in Michigan", Wisconsin Archeologist 48 no.3 1967 pp. 145-160

Jury, Wilfred W., "Copper Artifacts From Western Ontario", Wisconsin Archeologist 46 no.4 1965, pp. 223-46

Kennedy, Clyde C., "Preliminary Report on the Morrsison's Island-6 Site, National Museum of Canada", Bulletin No.106, Anthropological Series No.72, 1966

Landon, R.H., "The Mining and Fabrication of Copper by the Aborigines of the Lake Superior Region", The Minnesota Archeologist  6(2) pp.27-34

Mann,Charles C., "1491: New Revelations of the Americas before Columbus", Knopf Publishing, 2005

Martin, Susan R., Wonderful Power: The Story of Ancient Copper Working in the Lake Superior Basin, Wayne State University Press, 1999.

Martz, Henrietta, Atlantis: Dwelling place of the Gods, privately published, 1967

Mason, R.J., "The Age of the Old Copper Culture", The Wisconsin Archeologist 42(4),pp.143-155, 1961

Neiburger, E. J. 1984, "Xeroradiography of Copper Artifacts", The Wisconsin Archaeologist. Vol. 66 No. 4 pp. 373-381

Olsen, Edward J. 1962 Copper Artifact Analysis with the X-Ray Spectrometer American Antiquity, Vol. 28, No. 2, pp. 234-238

Overstreet, David F.1988 Osceola Revisited: Archaeological Investigations on the Potosi Terrace, Grant County, Wisconsin. The Wisconsin Archeologist 69(1-2):1-61.

Penman, John 1977 "The Old Copper culture: an analysis of Old Copper artifacts". The Wisconsin Archeologist Vol. 58, No. 1, pp. 3-23

Peterson, David H., Red Metal Poundings and the "Neubauer Process": Copper Culture Metallurgical Technology, CSASI Journal

Phillips, G.B. 1921 "Prehistoric Copper Mine" The Wisconsin Archaeologist, Vol.2, No.3 pp.151-154

Platcek, Eldon P.1965 A Preliminary Survey of a Fowl Lake Site. The Minnesota Archaeologist 27(2):51-92

Pleger, Thomas C. 1992 A Functional and Temporal Analysis of Copper Implements from the Chautaugua Grounds Site (47-MT-71), a Multi-Component Site Near the Mouth of the Menominee River. The Wisconsin Archeologist 73(3-4):160-176.

Quimby, George I. 1954 The Old Copper Assemblage and Extinct Animals. American Antiquity 20:169-170.

Ritzenthaler, Robert 1970 Another Radiocarbon date for the Oconto Site. The Wisconsin Archeologist 51(2):77.

Ritzenthaler, Robert (editor), The Old Copper Culture of Wisconsin (six earlier articles from the Wisconsin Archeologist), The Wisconsin Archeologist 38 (4), 1957

Ritzenthaler, Robert and Paul Scholz 1946 The Osceola Site Ñ An Old Copper Site Near Potosi, Wisconsin. The Wisconsin Archeologist 27(3):53-70. (Reprinted in The Wisconsin Archeologist 38(4):186-203.)

Ritzenthaler, Robert E.1957 Reigh Site Report - Number 3. The Wisconsin Archeologist 38(4):278-310.

Sodders, Betty, Michigan Prehistory Mysteries I & II, Avery Color Studies, 1990 & 1991

Steinbring, John H. (Jack) 1975 Taxonomic and Associational Considerations of Copper Technology During The Archaic Tradition. Ph.D. Dissertation, University of Minnesota, Minneapolis.

Steinbring, Jack and J.P. Whelan 1971 Test Excavation at the Fish Lake Dam Site, Minnesota. The Minnesota Archaeologist 31(1):3-40.

Straw, Burton, "Copper Mining Hammerstones from Upper Michigan", The Wisconsin Archeologist 43, 1962

West, George A. "Copper: Its Mining and Use by the Aboriginies of the Lake Superior Region", Milwaukee Public Museum Bulletin 10, 1929

Whittlesey, Charles, Ancient Mining on the Shores of Lake Superior, Smithsonian Institution 1863

Winchell, N. H., Ancient Copper Mines of Isle Royale, Popular Science Monthly, Vol. 19, pp. 601-2, New York, 1881

Winn, V., "Ornamental Copper of the Wisconsin Area", The Wisconsin Archeologist 23(3), pp.49-85, 1942

Wittry, Warren L., "A Preliminary Study of the Old Copper Complex", Wisconsin Archeologist 38 no.4 1957 pp. 204-21
Information for this site also comes from more than 40 years of personal collecting experience and research by my father, Dr. E.W. Johnson, and myself, David Johnson.