The pass­port might be a small booklet, but it has a lengthy back story, as detailed by Craig Robertson, Cam­bridge res­i­dent and North­eastern Uni­ver­sity asso­ciate pro­fessor of media and screen studies, in his book “The Pass­port in America: The His­tory of a Doc­u­ment” (Oxford Uni­ver­sity Press, 2010).

 

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