Bob Calen trick riding - Cowboy Championship Contest, c. 1920

Citation

Bob Calen trick riding - Cowboy Championship Contest, c. 1920, Photograph, ca. 1920; (http://texashistory.unt.edu/ark:/67531/metapth21037/ : accessed December 21, 2014), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Archives, Denton, Texas.

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