BY JOHANNES TRITHEMIUS, ABBOT

OF PEAPOLIS This likely refers to a Latinized version of a place name associated with the author, such as Sponheim or Würzburg... THE SIX BOOKS

OF POLYGRAPHY Polygraphy: A pioneering system of cryptography or "many-writing" where messages are hidden within seemingly innocent text, TO WHICH

BEYOND THE KEY original: "clauem" or clavis; in this context, it refers to the essential guide required to unlock and understand the cryptographic systems described in the book AND

THE OBSERVATIONS OF ADOLPH... Adolph von Glauburg was an editor who provided commentary and instructions on how to use Trithemius's complex systems

Johannes Trithemius, Polygraphy, Key, Adolph von Glauburg