- Woodward Governor Company parts manufacturing flow chart history.
- Walter Scotts' Hickory Hill.
- Walter Scott's Hickory Hill history project.
- The Thorstrand property history project in Madison, Wisconsin.
- The Thorstrand property history project 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 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 estate of Magnus Swenson on Lake Mendota in Madison Wisconsin
- The Thorstrand estate of Magnus Swenson on Lake Mendota in Madison Wisconsin
- The Thorstrand estate of Magnus Swenson on Lake Mendota in Madison Wisconsin
- The Thorstrand estate of Magnus Swenson on Lake Mendota in Madison Wisconsin
- The Thorstrand estate of Magnus Swenson on Lake Mendota in Madison Wisconsin