Online Collections

Find our digital collections on the Montana History Portal. The MHP holds over 100,000 digitized books, yearbooks, diaries, letters, ads, and photographs from our collection.

Find out what Digitized Montana Newspapers are available online and how to access them.

Find more than 29,000 State of Montana publications and documents in the Montana State Library state publication collection.

Locate and learn about any location on a zoomable map of Montana by visiting our Montana Place Names project.

Explore the significance of Montana's National Register of Historic Places buildings and places on the Historic Montana website or through the State Historic Preservation Office's information-packed ArcGIS map.