Thousands of feet of manuscript collections, including letters, diaries, business records, state government and legislative records, and oral histories.
More than 1.25 million photographs documenting the diverse history of Montana and its people.
The world’s largest collection of published material on Montana history, including books, periodicals, pamphlets, ephemera, and subject files.
Historical printed and manuscript maps, including USGS, land office, and Sanborn Fire Insurance maps.
Moving images made by amateurs filmmakers and by, or for, Montana production companies and Montana State agencies.
Nearly every newspaper published in Montana on microfilm and many titles in digital form.
Annual reports, legislative audits, and other publications produced by government agencies.
Search our catalog to find records from our entire collection, including library materials, archival and manuscript collections, government records, and photograph collections.
Search our Finding Aids to find detailed inventories of our archival and manuscript collections, government records, and photograph collections.
Explore our Indexes, Subject Guides, and Facts to find resources and get started on your Montana history research.