Subject: Theology
Author of work: Augustinus
Title: In Psalmos
Subject: Theology
Author of work: Petrus Lombardus
Title: In Psalmos
Subject: Canon Law
Author of work: Innocent IV
Title: Decretales
Subject: Theology
Author of work: Petrus Lombardus
Title: In Psalmos
Subject: Civil Law
Author of work: Azo
Title: In Codicem Justiniani