The Voynich Manuscript (Berezhanskaya)
Steganography (Lewandowski, Palmisano)
The Index of Coincidence (Candioto)
Japan's Purple Machine (Balciunas)
Yardley and the American Black Chamber (Kapsalis)
Influences of Cryptology on Culture (Dillenburg)
The Zimmermann Telegram (Chriscoe)
The Shakespearean Ciphers (Klegon)
The Chinese Black Chamber (Levitt)
History of the NSA (Nowak)