CASDE | Ashton -- Sherman County
- Gives historical background of the city's first ethnic groups, businesses and recreational facilities. Includes early photographs.
- http://www.casde.unl.edu/history/counties/sherman/ashton/

Nebraska Fast Facts - Community Profile
- Gives data about the city's population, employment, and nearest cities.
- http://sites.nppd.com/aedc/fastfacts.asp?city=Ashton

Polish Heritage Center
- Includes museum, office, library, genealogical collection, meeting room, and gift shop. Also events and hours or operation.
- http://www.polishheritagecenter.com/