Thematic Study MENU Contents Introduction Thematic Framework NPS Units Historic Landmarks		History and Prehistory in the National Park System and the National Historic Landmarks Program The Thematic Framework I. The Thematic Framework XV. Communication This theme focuses on means of communication, both physical and electronic, as well as the history of the activities themselves. A. Written Word (Newspapers and Periodicals) B. Mail Service (Overland, Water, and Air Routes) C. Telegraph and Telephone D. Radio E. Television F. Post World War II Electronic G. Spoken Word (Oratory and Public Speaking) NEXT >>>
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