* Wrobel, David M. "Exceptionalism and Globalism: Travel Writers and the Nineteenth-Century American West," ''Historian'', 68 (Fall 2006), 431–60. | * Wrobel, David M. "Exceptionalism and Globalism: Travel Writers and the Nineteenth-Century American West," ''Historian'', 68 (Fall 2006), 431–60. |