(or, as the kids would say, 'new telegraph who dis?') Here's a link I found on some early codebooks: http://www.cryptomuseum.com/crypto/codebook/index.htm htt

(or, as the kids would say, 'new telegraph who dis?') Here's a link I found on some early codebooks: http://www.cryptomuseum.com/crypto/codebook/index.htm http://www.cryptomuseum.com/crypto/codebook/index.htm