Subject: Canon Law
Title: Index to Decretum Gratiani
Subject: Canon Law
Author of work: Guido de Baysio
Title: Comment. in Sextum librum Decretalium
Subject: Canon Law
Author of work: Johannes Andreae
Title: In Sextum librum decretalium
Subject: Canon Law
Title: Liber sextus decretalium
Subject: Civil Law
Author of work: Justinianus
Title: Codex Justiniani
Subject: Philosophy
Title: Index to Averroes
Subject: Canon Law
Author of work: Johannes Andreae
Title: In Sextum librum decretalium
Subject: Civil Law
Author of work: Justinianus
Title: Codex Justiniani
Subject: Philosophy
Author of work: Alexander Nequam
Title: De natura rerum
Subject: Philosophy
Title: Index to a philosophical work