"Kansas Post Offices Database". Kansas State Historical Society. Retrieved December 15, 2007. Containing information taken from Baughman, Robert W. Kansas Post Offices, May 29, 1828–August 3, 1961. Kansas Postal History Society.
Frank W. Blackmar, ed. (1912). "Gas". Kansas: a cyclopedia of state history, embracing events, institutions, industries, counties, cities, towns, prominent persons, etc ... Vol. I. Chicago: Standard Pub Co. p. 713. Archived from the original on December 3, 2007. Retrieved December 15, 2007.
Frank W. Blackmar, ed. (1912). "Gas". Kansas: a cyclopedia of state history, embracing events, institutions, industries, counties, cities, towns, prominent persons, etc ... Vol. I. Chicago: Standard Pub Co. p. 713. Archived from the original on December 3, 2007. Retrieved December 15, 2007.