The collection consists of scripts, programs, posters, photographs, reviews, attendance statistics, publicity materials and news releases.

The collection contains administrative records, financial records, and historical records.

The collection contains programs, correspondence, photographs, reference materials, three scrapbooks, news clippings, account sheets and one film.

The collection consists of working files, including letters, brochures, press releases, photographs, and clippings.

The collection consists of letterheads, proofs for brochures, proofs for logos, one floor plan, floor plan of ballroom, photographic prints, a program from a Fashion Show held May 31, 1952, and six photo transparencies of the windows of the former Black Bear Lounge in the Hotel Duluth.

The collections contains research materials compiled to write Dr. Hudelson's book published by the University of Minnesota Press in 2006 titled By the Ore Docks: A Working People’s History of Duluth.

While surveying the collections of the NEMHC for the Minnesota Radicalism project, these items were identified as potentially useful for labor development research. Additional materials will be added to this collection as they are donated and appropriate.

The collection contains constitution and by-laws; minutes, 1898-1930; scrapbooks, 1898-1982; yearbooks, 1910-1912; pamphlets and serials; membership directories; conference programs; and organizational histories. Some of the scrapbooks include photographs.