Indiana Historic Architecture
- Information on historic buildings around the state.
- http://www.preserveindiana.com/

Indiana Covered Bridges
- A few photographs by Dale Catron, with information on the Kennedy family of bridge builders of Rush County.
- http://www.qsl.net/kb9ocq/cb.html

Historic Landmarks Foundation of Indiana
- Private nonprofit group working to protect and save Indiana's historic places and educate the public about the importance of historic preservation.
- http://www.historiclandmarks.org/