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Continue to ChatThe changes in Ottoman diplomatic cryptography and its methods during the 19th century (1811-1877) - https://avesis.anadolu.edu.tr/yayin/b59f6193-0a64-43c1-ad44-131f9496da92/the-changes-in-ottoman-diplomatic-cryptography-and-its-methods-during-the-19th-century-1811-1877