books.google.fr - This volume deals with the philosophy and thought of Roger Bacon. It is an effort to bring Roger Bacon studies up to date. Attention is given to a wide range of topics: Bacon's life and works, Bacon's contribution to the "trivium" (language studies) and the "quadrivium" (scientific-mathematical studies),...https://books.google.fr/books/about/Roger_Bacon_and_the_Sciences.html?hl=fr&id=Gy3Vp7TurVUC&utm_source=gb-gplus-shareRoger Bacon and the Sciences
