Subject: Philosophy
Title: Commentary on the Ethics of Aristotle
Subject: Philosophy
Title: Commentary on the Ethics of Aristotle
Subject: Astronomy
Title: Comment. on Almagest
Subject: Biblica
Title: Comment. on Deuteronomy
Subject: Logic
Title: Commentary on logic
Subject: Philosophy
Title: Commentary on Aristotle's Physics
Subject: Philosophy
Title: Commentary on Aristotle's Ethics
Subject: Grammar
Author of work: Petrus Helias
Title: Comment. in Priscianum
Subject: Civil Law
Title: Comment. on civil law
Subject: Canon Law
Title: Commentary on canon law