A Civil War Secret Agent's Struggles with a Cipher
And why there isn't one. . .
8
2
Imperial Germany’s Mysterious Fraülein Doktor
3
Don Antonio Pérez, Elizabethan Agent-of-Influence
1
Colonel Lea's Covert Mission to Kidnap an Emperor
1
Spying and Flying in 19th-Century Paris
2
A Medieval Spy Story
3
1
Breaking a 16th-Century Holy Roman Emperor's Cipher
2
Tradecraft and Trickery in the Aegean World
5
Musical codes, now and then. Is a catchy tune the best way to send a secret message?
2
The assassination of Georgi Markov in London in 1978. Who killed the Bulgarian dissident, why, and how? A mystery solved.
3
3
This is Secret Worlds, a newsletter about Historical Espionage.
2