Subject: Liturgy
Title: Antiphonale
Subject: Liturgy
Title: Antiphonale
Subject: Canon Law
Author of work: Gescelinus
Title: Comment. in constitutiones Clementinas
Subject: Liturgy
Title: Missale
Subject: Liturgy
Title: Antiphonale
Subject: Biblica
Author of work: Gregorius I
Title: Homiliae in Ezechielem
Subject: Liturgy
Title: Missale
Subject: Philosophy
Title: Comment. on Aristotle, De anima
Subject: Theology
Title: Comment. on Pauline epistles
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales