• Kansas is Flatter Than a Pancake (2003) http://www.usu.edu/geo/geomorph/kansas.html 54 comments 5/6/2021
• Kansas Is Flatter Than a Pancake https://www.improbable.com/airchives/paperair/volume9/v9i3/kansas.html 3 comments 20/1/2019
• Kansas Is Flatter Than a Pancake http://www.improbable.com/airchives/paperair/volume9/v9i3/kansas.html 8 comments 29/9/2009