Roger bacon

The Philosophy and Science of Roger Bacon

Roger Bacon and the Origins of Perspectiva in the Middle Ages

Roger Bacon

The "Opus Majus" Of Roger Bacon

The "Opus Majus" Of Roger Bacon

Roger Bacon: Essays Contributed By Various Writers On The Occasion Of The Commemoration Of The Seventh Centenary Of His Birth

The Greek grammar of Roger Bacon and a fragment of his Hebrew grammar

The life & work of Roger Bacon: an introduction to the Opus majus

Memorias de ROGER BACON: Master of Masters