Collection, circa 1863-circa 1883, of mining company records compiled by Lawrence J. Remington of Houghton, Michigan. Includes stock certificates, insurance policies, indenture letters, bills and receipts, correspondence, inventories and other printed ephemera from the South Pewabic Copper Company, Sheldon Mining Company of Lake Superior, Columbian Mining Company, Quincy Mining Company and Douglass Houghton Mining Company.

Records, 1918-1969, of the Mass Co-Operative Company of Mass, Michigan with branches in Bruce Crossing and Baraga. Includes an account ledger, bills, receipts, stock certificates, and a check book with canceled checks.

Collection, 1974-2016, of administrative records, financial records, and operational records documenting the Michigan Technological University Film Board, a student-run theater.

Records, 1955-2014, documenting the activities of the Michigan Technological University chapter of Phi Kappa Phi, an interdisciplinary national honor society.

Papers, 1890-1893, of Nils P. Johnson, resident of Red Jacket (or Calumet), Michigan during the 1890s. Includes some Finnish (?) manuscript material, as well as a dues book and certificate from the Calumet Lodge #134 of the Independent Order of Odd Fellows and a law office receipt for articles of association for the Finnish National Evangelical Lutheran Congregation.

Correspondence, 1859-1910, received and sent by Richard M. Hoar, a prominent early citizen of Houghton, Michigan. Includes correspondence pertaining to his business with his brother, J. Hoar & Brother, a general merchandise business, as well as other business related correspondence, bills and receipts. Also includes correspondence from his capacity as a member of the Michigan state legislature and Houghton town official.

Collection, circa 1911-2013, of materials gathered or created by Russell Magnaghi on the Italian-American and Hungarian communities of Michigan's Upper Peninsula.

Records, 1897-1941, of Copper Country women's fraternal societies.