John Trithemius 
A descriptive article from the Catholic Encyclopedia.
http://www.newadvent.org/cathen/15062a.htmEverburning Lights of Trithemius 
Includes a description of the recipe for ever-burning lights, accredited to Trithemius.
http://members.tripod.com/scottbattison/everbrn.html
Tertullian : MSS Known to Trithemius in 1492 
Academic discussion of Trithemius on Tertullian.
http://www.tertullian.org/witnesses/trithemius.htm
Dietrich Gresemund 
Associate of Trithemius. From the Catholic Encyclopedia.
http://www.newadvent.org/cathen/07028a.htm
Wigand Wirt 
Critic of Trithemius. From the Catholic Encyclopedia.
http://www.newadvent.org/cathen/15661a.htm
Johannes Trithemius (1462-1516) 
Three online texts from the Twilit Grotto Esoteric Archives.
http://www.esotericarchives.com/esoteric.htm#tritem
Steganographia, by Johannes Trithemius 
English introduction with the main body in the original Latin.
http://www.esotericarchives.com/tritheim/stegano.htm
Johannes Trithemius 
Biography and introduction to Trithemius' astrology, magic and philosophy.
http://www.renaissanceastrology.com/trithemius.html
Heavenly Intelligences 
Trithemius explains the history of the world according to the cycle of the Planetary Angels or Heavenly Intelligences.
http://www.renaissanceastrology.com/heavenlyintelligences.html
Johannes Trithemius - Wikipedia 
Biography and related links.
http://en.wikipedia.org/wiki/Johannes_Trithemius