"Kansas Post Offices Database". Kansas State Historical Society. Retrieved 2007-12-15. 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 2007-12-03. Retrieved 2007-12-15.
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 2007-12-03. Retrieved 2007-12-15.