Subject: Liturgy
Title: Missale
Subject: Theology
Title: Scholastic theology
Subject: Canon Law
Title: Commentary on Decretum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Theology
Title: Theology
Subject: Biblica
Title: Biblia
Subject: Liturgy
Title: Noted service-book
Subject: Biblica
Title: Biblia
Subject: Natural History
Title: Natural history
Subject: History
Title: Chronicon (&c.)