Collection, 1840-2012, documenting the Cannon and Cole Families.

Papers, 1890-1966, documenting the Coughlin and Gray Family history in Isle Royale and the Keweenaw Peninsula of Michigan.

Collection, 1773-1978, of the business records of the Daily Mining Gazette, a newspaper published daily in Houghton, Michigan. Includes correspondence, memorandums, financial records and reports. Also includes personal papers relating to the Rice family, original owners and publishers of the Daily Mining Gazette.

Papers, 1905-2019, of Dana Richter, former faculty member of Michigan Technological University’s School of Forest Resources and Environmental Science and local Copper Country historian.

Papers, 1902-1928, bulk dates 1918-1919, documenting the personal life and military experiences of Harvey William Raymond of Baraga, Michigan.

Papers, 1910-1980, of the Johnson and O’Brien Families. Included are the photographs, ephemera, programs, and other materials related to Victor Johnson, Norma Jean (Johnson) O’Brien, and Paul O’Brien of Dollar Bay and Laurium, Michigan.

Collection, 1918-2020, of material from and about the J. Robert Van Pelt and John and Ruanne Opie Library at Michigan Technological University in Houghton, Michigan.

Papers, undated, of R. A. Brotherton, a civil engineer with the Cleveland-Cliffs Iron Company and with the City of Negaunee, Michigan. Includes correspondence, field notebooks, timber cruise cards, and maps as well as the personal papers of Mary, Helen, and Walter Brotherton.

Papers, 1984-2002, of Ray Martin (Reino Marttinen) or Ontonagon, Michigan.

Papers, circa 1951-circa 1983, of Robert T. Brown, a long-time faculty member of Michigan Technological University in Houghton, Michigan. Includes personal papers and publications as well as information about his role in the formation of the Biological Sciences department in 1962 and his research into various aspects of tree biology and environmental policy.