The Political Graveyard: Dakota County, Nebraska
- Database provides brief biographies of politicians who were born or lived in the county, a cemetery list, and political history.
- http://politicalgraveyard.com/geo/NE/DK.html

Dakota County - NEGenWeb
- Features genealogy queries, archived surnames, a list of lookup volunteers, obituaries and maps.
- http://www.rootsweb.com/~nedakota/

Dakota County Nebraska Historical Society
- Features photos of historic buildings that are located within the county, as well as historic background about building the O'Connor house. Page also has list of cemeteries within the area.
- http://www.dakotacountyhistoricalsociety.com