Bibliography (16):

1. Schwarzweisse Magie: Der Schlüssel Zum Dritten Buch Der Steganographia Des Trithemius

2. https://www.bell-labs.com/usr/dmr/www/crypt.html

3. The Numerical-Astrological Ciphers In The Third Book Of Trithemius’s Steganographia

4. Philosophy Between the Lines: The Lost History of Esoteric Writing § Appendix: A Chronological Compilation of Testimonial Evidence for Esotericism

5. Wikipedia Bibliography:

   1. Johannes Trithemius

   2. Steganographia

   3. https://en.wikipedia.org/wiki/Frankfurt  :

      https://en.wikipedia.org/wiki/Frankfurt

   4. https://en.wikipedia.org/wiki/La_Roche_University  :

      https://en.wikipedia.org/wiki/La_Roche_University

   5. https://en.wikipedia.org/wiki/University_of_Pittsburgh  :

      https://en.wikipedia.org/wiki/University_of_Pittsburgh

   6. https://en.wikipedia.org/wiki/AT%26T_Labs  :

      https://en.wikipedia.org/wiki/AT%26T_Labs

   7. https://en.wikipedia.org/wiki/Florham_Park,_New_Jersey  :

      https://en.wikipedia.org/wiki/Florham_Park,_New_Jersey

   8. https://en.wikipedia.org/wiki/Cryptologia  :

      https://en.wikipedia.org/wiki/Cryptologia

   9. https://en.wikipedia.org/wiki/David_Kahn_(writer)  :

      https://en.wikipedia.org/wiki/David_Kahn_(writer)

   10. https://en.wikipedia.org/wiki/Mainz  :

       https://en.wikipedia.org/wiki/Mainz

   11. https://en.wikipedia.org/wiki/Microform  :

       https://en.wikipedia.org/wiki/Microform

   12. https://en.wikipedia.org/wiki/Cryptogram  :

       https://en.wikipedia.org/wiki/Cryptogram