Subject: Theology
Author of work: Gregorius I
Title: Homiliae in Evangelia
Subject: Theology
Author of work: Gregorius I
Title: Dialogi et Homiliae in Evangelia
Subject: Canon Law
Title: Treatise on canon law
Subject: Philosophy
Author of work: Aegidius Romanus
Title: De regimine principum
Subject: Theology
Author of work: Gregorius I
Title: Homiliae in Evangelia
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Canon Law
Title: Treatise on canon law
Subject: Canon Law
Title: Treatise on canon law
Subject: Canon Law
Title: Treatise on canon law