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1Published 1996Subjects: “...Cryptography History Bibliography Catalogs....”
Government Document Microform Book -
2Published 1996Subjects: “...Cryptography History Sources....”
Government Document Microform Book -
3by Mucklow, Timothy J. (Timothy Jones)Subjects: “...Cryptography History 20th century....”
Published 2015
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Government Document eBook -
4by Gilbert, James L. (James Leslie), 1943-Subjects: “...Vietnam War, 1961-1975 Cryptography History....”
Published 2003
Government Document Book -
5Published 1947Subjects: “...World War, 1939-1945 United States Cryptography History....”
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6Published 1993Subjects: “...World War, 1939-1945 Cryptography History Sources....”
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7by Kovach, KarenSubjects: “...World War, 1939-1945 Cryptography History....”
Published 2001
Government Document Book