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.

Records, circa 1959-circa 1997, of the University Women's Club of Michigan Technological University in Houghton, Michigan. Includes bylaws and constitution, minutes, agendas, correspondence, committee reports, and photographs and negatives as well as 50th anniversary material and other printed ephemera.

Records, 1969-1993 (bulk 1992), of the Professional Women's Caucus of Michigan Technological University in Houghton, Michigan. Includes rules, policies, procedures, minutes, agendas, articles, and President's Cabinet Observer Reports.

Records, 1920-2002, of the Upper Peninsula Firefighters Memorial Museum in Calumet, Michigan. Includes minutes, agendas, correspondence, project files, newsletters, and other organizational files.