Secret Worlds | Alexander Rose | Substack

Breaking a 16th-Century Holy Roman Emperor's Cipher

Tradecraft and Trickery in the Aegean World

Jun 21

Musical codes, now and then. Is a catchy tune the best way to send a secret message?

Jun 14

The assassination of Georgi Markov in London in 1978. Who killed the Bulgarian dissident, why, and how? A mystery solved.

Jun 8

This is Secret Worlds, a newsletter about Historical Espionage.

Mar 6

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