books.google.com - Translations of the early writings of Jean Gerson (136351429), chancellor of the University of Paris from 1395, most widely known for his efforts to effect church unity during the western Schism which began in 1378. Gerson is considered to be one of the greatest theologians and mystical writers of the...http://books.google.com/books/about/Jean_Gerson.html?id=Ed2Mzyn9WtsC&utm_source=gb-gplus-shareJean Gerson