The collection contains annual reports, legal records, correspondence, committee materials, financial records, publications, photographs and ten scrapbooks.

The collection contains correspondence, financial materials, articles, pamphlets, photographs, news clippings, sketchbooks, a tape recording, and miscellaneous reference materials. Most of the records originate from the period between 1940-1958 and document Barnes' financial interests and his involvement in the St. Lawrence Seaway project. Some personal correspondence is also included.

The collection contains correspondence, diaries, articles and addresses written by Darling, a subject file, personal financial materials, news clippings, photographs, and engineering plans.

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

The collection consists of the Commission's files incuding: application to the American Revolution Bicentennial Commission to become a bicentennial city, articles of incorporation and by-laws, financial records, correspondence, manuscripts on local history that were published in the book Duluth: Sketches of the Past, project files by month, Voyageurs Canoe Trip reenactment files, news clippings, brochures and programs, photographs, and proposals.

The Duluth Board of Trade records include information about the functioning of the Board of Trade from its inception in 1881 to the dissolution of the company in 1972.

The collection contains correspondence, minutes, financial records, publicity materials, news clippings and programs.

The collection contains minutes, financial books, annual reports, publications, maps, miscellaneous correspondence, news clippings, photographs, timetables, and microfilmed scrapbooks. Financial records represent the largest portion of records, and there is a significant lack of executive records.

The collection contains correspondence, minutes, financial and membership records, service certificates, reference materials, photographs and blueprints of three Duluth G.A.R. organizations.

The collection contains minutes, correspondence, financial and reference materials, photographs and scrapbooks.

The collection contains correspondence, constitution and bylaws, minutes, resolutions, the general administrative files of board members Charles Stoddard and Paul Kanowski, financial records, files from public relations campaigns, and news clippings dealing with environmental issues.

The collection contains business records, photographs, glass plate negatives, financial material, exploration data, news clippings, safety manuals, civil defense articles, technical manuals, and maps.

The collection contains articles of incorporation; bylaws; annual meeting materials; minutes; correspondence; financial materials; news releases; resolutions; issue files on topics such as acid rain, conservation, harbor refuge, etc.; some Reserve Mining case exhibits; scrapbooks; bumper stickers; and an oral history project.

The collection contains correspondence, minutes, bylaws, financial material, and other reference materials.

The collection contains correspondence, minutes, scrapbooks, financial records, and reference materials.

The collection consists primarily of correspondence written by four of Peter Tilderquist’s children: Alice Minnie (Tilderquist) Gibson; Eva Tilderquist; Anna Lavinia (Tilderquist) Anderson; and David Tilderquist. The collection also contains personal papers and estate papers.