Helpful resources and links for preservation groups.
- Armory Arts & Music Center
- Duluth Heritage Preservation Commission
- Duluth Planning Commission
- Historic Architects Presentation by Dennis Lamkin
- Historic Gardening
- Historic St. Paul
- Minnesota Historical Society
- Minnesota State Historical Preservation Office
- National Trust for Historic Preservation
- Northern Bedrock Historic Preservation Corps Utilization
- Rethos (Preservation Alliance of Minnesota)
- Schroeder Area Historical Society
- Twin Cities Bungalow Club
- UMD Kathryn A. Martin Library Archives and Special Collections
- Zenith City Online