The collection contains correspondence, awards and certificates, lawyers' case records, news clippings, photographs, and manuscripts on local history. The collection also includes one photograph alubm of snap shots and post card photographs.

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

The collection contains correspondence, bulletins, publications, news clippings, scrapbooks, photographs, posters, personnel lists, and other reference materials from the war activities of the organization. The records were collected from a variety of sources, such as the Duluth Public Library, the War History Division of the Duluth Civilian Defense Council, and individuals. Parts of the collection, therefore, are sporadic and incomplete.

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 minutes, regulations and by-laws, Manager Reports, correspondence, contracts and proposed contracts, reports to the Duluth City Council, news clippings, circulars, and a history of the Duluth, Minnesota Gas and Water Plants, 1892-1904.

The collection contains correspondence, press releases, newspaper clippings, programs, ephemera, and photographs from the annual Winter Frolic event. Some of the photographs were taken by photographer Hugh McKenzie.

The collection consists of a small quantity of notes, research materials, incorporation papers, financial records, legal briefs, correspondence, and newspaper clippings.

The collection largely consists of correspondence, legal documents, and news clippings dealing with civil rights issues.

The collection consists of eight items concerning the Aerial Bridge and Thomas McGilvray.

The collection contains personal and financial correspondence, letterpress books, scrapbooks, newspaper clippings, manuscripts written about local and family history, financial records, legal papers, maps, photographs, one audio cassette of an interview, and reference materials.

The collection includes photographs, newspaper clippings, and correspondence.

The collection contains correspondence and biographical information, 1869–1900; news clippings concerning George Sargent, 1931–1941; photographs including a portrait of Sargent and an image of his house, 1869–1965; and one scrapbook containing personal correspondence concerning Sargent's life, work, and speeches, news clippings, and some maps, 1851–1875.