Island Ramanacoil a Bridge too Far. A Dutch Ciphertext from 1674. - Jörgen Dinnissen; Nils Kopal (HistoCrypt, 2021)

Prey to a Privateer. Two Portuguese Ciphertexts from 1649. - Jörgen Dinnissen; Hugo Araújo (HistoCrypt, 2022)

A "Mirror for All Traitors". Captured Ciphertexts from a Portuguese Spy in Dutch Brazil (1646). - Jörgen Dinnissen; Hugo Araújo (HistoCrypt, 2023)