Montana Ghost Town Preservation Society
- Seeks to restore and preserve mining camps and ghost towns for their cultural benefits and against depredation. History, board of directors, and stories provided.
- http://www.montana.com/ghosttown/

Montana Historical Society
- Preserve for future generations representative selection of all historic resources (art, records, books, photographs, oral histories, artifacts, journals, sites, buildings) important to an understanding of Montana history.
- http://www.montanahistoricalsociety.org

The Montana Capitol
- History of the state capitol building, and information regarding the ongoing renovation projects. Includes tour schedules.
- http://www.montanacapitol.com/

Montana Historical Societies
- Contact details for historical societies in counties within the state.
- http://www.daddezio.com/society/hill/SH-MT-NDX.html