Subject: Philosophy
Author of work: Aegidius Romanus
Title: De regimine principum
Subject: Liturgy
Title: Kalendarium
Subject: Theology
Author of work: Gregorius I
Title: Dialogi
Subject: Biblica
Title: Revelation, glossed
Subject: Biblica
Title: Biblia
Subject: Civil Law
Title: Comment. on Codex Justiniani
Subject: Civil Law
Author of work: Justinianus
Title: Digestum novum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Liturgy
Title: Missale
Subject: Liturgy
Title: Breviarium