Cite
MLA Citation
Ralph E (Ralph Edward) Weber. United States diplomatic codes and ciphers, 1775-1938. London : Routledge, Taylor & Francis Group, 2017. http://access.bl.uk/ark:/81055/vdc_100048663965.0x000001
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Ralph E (Ralph Edward) Weber. United States diplomatic codes and ciphers, 1775-1938. London : Routledge, Taylor & Francis Group, 2017. http://access.bl.uk/ark:/81055/vdc_100048663965.0x000001