Subject: Law, Canon Law
Title of work: Decretum
Author of work: Gratian
Place of production: England
Subject: Music
Title: Conducti and other music
Subject: Civil Law
Author of work: Justinianus
Title: Digestum vetus
Subject: Theology
Author of work: Augustinus
Title: In Psalmos
Subject: History
Author of work: Ranulphus Higden
Title: Polychronicon
Subject: Logic
Title: Questions on logic