Subject: Theology
Author of work: Petrus Lombardus
Title: In Psalmos
Subject: Canon Law
Author of work: Innocentius IV
Title: In Decretales
Subject: Encyclopaedia
Author of work: Isidorus
Title: Etymologiae
Subject: Theology
Author of work: Petrus Lombardus
Title: In Epistolas Pauli
Subject: Index
Title: Index (?)
Subject: Canon Law
Title: Index to canon law
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Civil Law
Author of work: Justinianus
Title: Institutiones Justiniani
Subject: Theology
Author of work: Augustinus
Title: Contra Iulianum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales