Subject: Philosophy
Author of work: Robertus de Euremodio
Title: Cato moralizatus
Subject: Theology
Author of work: Gregorius I
Title: Moralia
Subject: Canon Law
Title: Commentary on Decretals
Subject: Canon Law
Author of work: Johannes Andreae
Title: In Sextum librum decretalium
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Medicine
Author of work: Isaac
Title: Dietae particulares
Subject: Canon Law
Title: Commentary on Decretals
Subject: Canon Law
Title: Commentary on Decretum Gratiani
Subject: Civil Law
Title: Liber feudorum: 'Constitutiones frederici imperatoris cum glosis nouissimis'
Subject: Philosophy
Author of work: Alexander Nequam
Title: De natura rerum