On offer is a superb late 16th early 17th Century manuscript book in two volumes being the transcribed works of John of Segovia the influential Catholic Theologian who was a professor at the Spanish University of Salamanca, represented Castille at the Council of Basel, and represented the council in the 1439 Diet of Mainz. He played a large role in the removal of Pope Eugene IV and the placement of Antipope Felix V. Volume One: "Tractatus de Deo" a 333 page work in a fine hand though not necessarily the work of a scrivener, the endpapers featuring heraldic and maybe royal watermarks [e... View More...