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"history, 20th century" » "history, 18th century"
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1
by Schärf, Christian
Published 2001
Vandenhoeck & Ruprecht
Subjects: “...Literature and society / History / 20th century...”
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2
by Burns, Thomas L.
Published 2005
Center for Cryptologic History, National Security Agency
Subjects: “...Cryptography / United States / History / 20th century...”
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3
by Tresch, Richard
Published 2002
Academic Press
Subjects: “...Finance, Public / History / 20th century...”
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4
by Williams, Jeannette
Published 2001
Center for Cryptologic History, National Security Agency
Subjects: “...Cryptography / United States / History / 20th century...”