- The Thorstrand property history project in Madison, Wisconsin.
- The Thorstrand estate of Magnus Swenson on the shore of Lake Mendota in Madison Wisconsin
- The Thorstrand property history project in Madison, Wisconsin.
- The Thorstrand estate of Magnus Swenson on the shore of Lake Mendota in Madison Wisconsin
- The Thorstrand estate of Magnus Swenson on the shore of Lake Mendota in Madison Wisconsin
- The Thorstrand property history project in Madison, Wisconsin.
- The Thorstrand estate of Magnus Swenson on the shore of Lake Mendota in Madison Wisconsin
- The State of Wisconsin history project for 2020.
- Madison Wisconsin history.
- Aerial photo of Magnus Swenson's Thorstrand property location in 1948.
- The Spring Harbor Neighborhood area history.
- The Spring Harbor Neighborhood area history at Merrill Springs.
- The Spring Harbor Neighborhood area history at Merrill Springs.
- Mr. Magnus Swenson.
- The Magnus Swenson Estate.