The Political Graveyard: Richardson County, Nebraska
- Database provides brief biographies of politicians who were born, lived or died in the county, cemetery location map, and political history.
- http://politicalgraveyard.com/geo/NE/RC.html

Richardson County - NEGenWeb
- Features genealogy records, cemetery locations, school lists and pictures.
- http://www.rootsweb.com/~nerichar/

Richardson County, Nebraska
- Official county government site, offering information about elected officials and services provided by county departments.
- http://www.co.richardson.ne.us/

Pennsylvania Colony of Nebraska Historical Society
- An organization dedicated to preserving the heritage of the Pennsylvania Dutch who started to imigrate to the county in 1874. Includes history, pictures, and articles.
- http://penncolonynebraska.org/