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Mrs. John D. Gibbons, "Queen" of the 1956 Chisholm Trail Drive,
and Trail Boss Pat Armstrong
Texas State Historical Association. The Southwestern Historical Quarterly, Volume 60, July 1956 - April, 1957. Austin, Texas. The Portal to Texas History. http://texashistory.unt.edu/ark:/67531/metapth101163/. Accessed June 30, 2015.