TY  - GEN
AU  - Nichols, Randall
TI  - Classical Cryptography Course Vol.1
SN  - 0894122630
U1  - 005.82,NIC 
PY  - 1996///
CY  - USA
PB  - Aegean Park Press
N1  - Simple Substitution (Page-1), Substitution with Variants (Page-26), Substitution with Variants Part II (Page-48), Substitution with Variants Part III (Page-64), Xenocrypt Morphology Part I (Page-84), Xenocrypt Morphology Part II (Page-113), Xenocrypt Morphology Part III (Page-133), Cryptarithms and Hill Cipher (Page-163), German Reduction Ciphers (Page-183), Polyalphabetic Substitution Systems I (Page-217)
ER  -