National Register of Historical Places - Sunflower County
- Directory of historical places and cultural resources for the county. Offers historical significance, architect details, and related information.
- http://www.nationalregisterofhistoricplaces.com/MS/Sunflower/state.html

Sunflower County Freedom Project
- Inspired by the "freedom schools" of the civil rights movement, the Freedom Project offers academic enrichment, cultural activities, and leadership development for children in rural Mississippi.
- http://www.sunflowerfreedom.org/

Mississippi Department of Transportation
- PDF map of Sunflower county roads. [Adobe Acrobat Reader required]
- http://www.gomdot.com/maps/County_maps/Sunflower.pdf

Sunflower County Library
- Includes catalog search.
- http://www.sunflower.lib.ms.us/sunflower/default.asp

MS GenWeb - Sunflower County
- Local history and resources for genealogical researchers.
- http://www.rootsweb.com/~mssunflo/