divendres, 31 de desembre del 2021

Barnard’s Universal Criminal Cipher Code (1895)

Barnard’s Universal Criminal Cipher Code for Telegraphic Communication between Chiefs of Police, Sheriffs, Marshals and other Peace Officers of the United States and Canada (1895)



Barnard’s Universal Criminal Cipher Code for Telegraphic Communication between Chiefs of Police, Sheriffs, Marshals and other Peace Officers of the United States and Canada (1895)