Subject: Theology
Author of work: Gregorius I
Title: De cura pastorali
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Grammar
Author of work: Alexander Nequam
Title: De nominibus utensilium
Subject: Canon Law
Author of work: Innocentius IV
Title: In Decretales
Subject: Theology
Author of work: Ambrosius ps.
Title: De conflictu vitiorum et virtutum
Subject: Canon Law
Title: Commentary on Decretals