- U.S. Geological Survey Geographic Names Information System: Williamsport Township, Shawnee County, Kansas
- "Profile for Williamsport, Kansas". ePodunk. Retrieved 27 June 2014.
- Cone, William Whitney (1877). William W. Cone's Historical Sketch of Shawnee County, Kansas: Including an Account of the Important Events in the Early Settlement of Each Township. Kansas Farmer Printing House. pp. 8.