California Butterfield Overland Mail in Baja California Butterfield Overland Mail in New Mexico Territory Butterfield Overland Mail in Texas Butterfield Overland Mail in Indian Territory Butterfield Overland Mail in Arkansas and Missouri Butterfield Overland Despatch, an unrelated company Pony Express Postage stamps and postal history of the Confederate States Stockton – Los Angeles Road Apache Pass Station Butterfield Overland Mail Company Los Angeles Building References Bibliography Ahnert, Gerald T., The Butterfield Trail and Overland Mail Company in Arizona, 1858–1861, Canastota Publishing, Co. Inc., Canastota, New York, 2011. This book is a comprehensive account of the Butterfield Trail in Arizona. Ahnert, Gerald T., The Cochise County Historical Journal, A Cochise County Historical Publication, Vol. 46 No. 1 – Spring/Summer 2016, 50th Anniversary Issue, All articles were by Gerald T. Ahnert concerning the history of Butterfield's Overland Mail Company. Ahnert, Gerald T., Butterfield Makes the Southern Overland Trail His Own, The Architects of the Butterfield Trail – Marquis L. Kenyon and John Butterfield Jr. add a Personal Touch to Arizona (Revised Edition 2017), NoBottomGulch Publications, Syracuse, NY. Hackler, George, The Butterfield Trail in New Mexico, Yucca Enterprises, 2005. This book is a comprehensive account of the Butterfield Trail in New Mexico. Ely, Glen Sample, The Texas Frontier and The Butterfield Overland Mail, 1858–1861, University of Oklahoma Press, 2016. This book is a comprehensive account of the Butterfield Trail in Texas. Smith, Waddell F., The Smoke Signal "The Pony Express – The Overland Mail," Spring 1968, No. 17, published by The Corral of the Westerners, Tucson, Arizona. Note: This article, by the grandson of one of the Pony Express owners, is an excellent study of the Overland Mail Company and Pony Express history. Richardson, Rupert N. Root, Frank. The Overland Stage to California. Topeka, Kansas: W.Y. Morgan, 1901. Wright, Muriel H. "Historic Places on the Old Stage Line from Fort Smith to Red River – Appendix A", Chronicles of Oklahoma 11:2 (June 1933) 821–822 (accessed August 16, 2006). Hafen, L.R.R. (2004). The overland mail, 1849–1869: promoter of settlement precursor of railroads. Norman: University of Oklahoma Press. Butterfield, J., Fargo, W.G., & Holland, A. (1857). Letter to the postmaster general in relations to the overland mail to California. Butterfield, J.W. (1857). Skeleton map of the overland mail route to California. Route adopted by the department traced in green. Route proposed by John Butterfield and others (who were the lowest bidders) in red. Overland Mail