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