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

Nuckolls County - NEGenWeb
- Contains a history of the county, lists and lookup request information for genealogy researchers.
- http://www.rootsweb.com/~nenuckol/

Nebraska National Register Sites in Nuckolls County
- Features descriptions and locations of historic sites throughout the county. Includes photos.
- http://www.nebraskahistory.org/histpres/nebraska/nuckolls.htm

Nuckolls County
- Official county website. Page includes general demographic information, public meeting calendar, government services, elected officials, and links to historical information.
- http://www.nuckollscounty.ne.gov/