City-Data.com: St. Donatus, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps.
- http://www.city-data.com/city/St.-Donatus-Iowa.html

Wikipedia: St. Donatus, Iowa
- Encyclopedia article highlights geography and demographics of this small village in Jackson County. Includes photograph.
- http://en.wikipedia.org/wiki/St._Donatus,_Iowa

Gehlen House and Kalmes Restaurant
- Features a seven-room bed and breakfast inn, listed on the National Register of Historic Places, a restaurant, and a gift shop. Includes a history of the buildings, a menu, events, policies, reservation details, area attractions, and a map.
- http://www.gehlenhouse.com/