Cryptanalysis of the Simple Substitution Cipher With Word Divisions Using Non-Pattern Word Lists (Cryptographic Series)
Aegean Park Press, 1975. Paper Back. Quarto; (8 & 1/4' x 10 & 3/4'}; Off white cardstock cover with heavily darkened/tanned spine and mild tanning of margins with soiling/stains front cover. Foxing textblock edges. 211 pages. More