The collection contains architects' drawings and specifications for buildings. Almost all the plans are for structures in northeastern Minnesota, with some plans by local architects for buildings in other areas.

The collection contains a typed diary, scrapbooks, photographs, and miscellany.

This collection consists of campaign bumper stickers, posters, circulars, advertisements, and pamphlets used in Minnesota for local, state, and national elections. The collection also includes news clippings and informational sheets containing the results of elections.

All postcards donated to the archives are added to this collection. The cards are arranged by the subjects used in the general historical photograph collection; the subjects are filed alphabetically.

The collection contains correspondence, 1876 - circa 1930; news clippings; pamphlets; elections ephemera; and programs, invitations and announcements for social and personal events.

The collection contains correspondence, minutes, reference materials, contracts, maps, blueprints and news clippings.

The map collection contains maps of the United States and Canada, the Midwest Area, Great Lakes, Michigan, Wisconsin, Minnesota, and more detailed maps of the counties, towns, mines, etc.

Contains residential and highway plat maps of Duluth and Northeastern Minnesota. The majority of the maps are of St. Louis County, but some also cover Lake, Carlton, Koochiching, and Cook counties.