Subject: Grammar
Author of work: Maffeus Vegius
Title: De verborum significatione
Subject: Encyclopaedia
Author of work: Rabanus Maurus
Title: De natura rerum
Subject: Philosophy
Author of work: Nicholaus Trivet
Title: Comment. in Boethium, De consolatione philosophiae
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Ivo Carnotensis
Title: Decretum
Subject: Philosophy
Author of work: Bartholomaeus Anglicus
Title: De proprietatibus rerum
Subject: Canon Law
Title: Commentary on Decretals