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The Military Telegraph During the Civil War in the United States
William Rattle Plum
其他書名
With an Exposition of Ancient and Modern Means of Communication, and of the Federal and Confederate Cipher Systems ; Also a Running Account of the War Between the States
出版Jansen, McClurg, 1882
URLhttp://books.google.com.hk/books?id=YRIzAQAAMAAJ&hl=&source=gbs_api
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