Articles
Roger Bacon (With portraits).
Paul Carus
The Two Bacons.
Ernst Duhring
Roger Bacon the Philosopher.
Alfred H. Lloyd
Roger Bacon as a Scientist.
Karl E. Guthe
Roger Bacon, Logician and Mathematician.
Philip E. B. Jourdain
Roger Bacon (With portraits).
Paul Carus
The Two Bacons.
Ernst Duhring
Roger Bacon the Philosopher.
Alfred H. Lloyd
Roger Bacon as a Scientist.
Karl E. Guthe
Roger Bacon, Logician and Mathematician.
Philip E. B. Jourdain