Johannes Tetzel
http://reformation500.csl.edu/bio/tetzel/
Johann Tetzel’s Rebuttal against Luther’s Sermon on Indulgences and Grace
http://www.pitts.emory.edu/DigiTexts/Documents/Tetzel.pdf
Jan Hus
http://reformation500.csl.edu/bio/jan-hus/
Luther’s Attitude toward John Hus
http://www.ctsfw.net/media/pdfs/PelikanLuthersAttitudeHus.pdf
Heidelberg Disputation, 1518
The Heidelberg Disputation
http://bookofconcord.org/heidelberg.php
Luther’s Theology of the Cross
http://www.ctsfw.net/media/pdfs/kadailutherstheologyofthecross.pdf
Luther and Prierias
Sylvester Prierias
http://reformation500.csl.edu/bio/prierias/
Formal Legal Proceedings against Luther Begin in Rome
http://reformation500.csl.edu/timeline/formal-legal-proceedings-against-luther-begin-in rome/
Cardinal Cajetan
Tomasso de Vio (Cardinal) Cajetan
http://reformation500.csl.edu/bio/cardinal-cajetan/
Luther Meets with Cajetan at Augsburg
http://reformation500.csl.edu/timeline/luther-meets-with-cajetan-at-augsburg/
Electoral Saxony (The Once and Never Kings)
http://althistory.wikia.com/wiki/Electoral_Saxony_(The_Once_and_Never_Kings)
Leipzig Debate
http://reformation500.csl.edu/timeline/leipzig-debate/
Johann Eck
http://reformation500.csl.edu/bio/johann-eck/
Luther’s 1520 Treatises:
Treatise on Good Works
http://www.projectwittenberg.org/pub/resources/text/wittenberg/luther/work-01.txt
Treatise to the Christian Nobility of the German Nation
http://www.projectwittenberg.org/pub/resources/text/wittenberg/luther/web/nblty-01.html
On the Babylonian Captivity of the Church
http://whitehorsemedia.com/docs/BABYLONIAN_CAPTIVITY_OF_THE_CHURCH.pdf
Concerning Christian Liberty
http://www.projectwittenberg.org/pub/resources/text/wittenberg/luther/web/cclib-1.html
Luther’s Tower Experience
http://www.projectwittenberg.org/pub/resources/text/wittenberg/luther/tower.txt
Exsurge Domine
Text of the Papal Bull Exsurge Domine
https://www.ewtn.com/library/PAPALDOC/L10EXDOM.HTM
Bull Exsurge Domine Proclaimed in Rome
http://reformation500.csl.edu/timeline/bull-exsurgedomine-proclaimed-in-rome/
Diet of Worms
Charles V
http://reformation500.csl.edu/bio/charles-v/
Luther Appears before the Emperor at Worms
http://reformation500.csl.edu/timeline/luther-appearsbefore-the-emperor-at-worms/