Subject: Sermons
Author of work: Leo I Papa
Title: Sermones
Subject: Music
Title: Polyphonic music
Subject: Liturgy
Title: Psalterium
Subject: Liturgy
Title: Psalterium
Subject: Vitae sanctorum
Title: Passio S. Stephani
Subject: Liturgy
Title: Psalterium
Subject: Liturgy
Title: Psalterium
Subject: Liturgy
Title: Psalterium
Subject: Sermons
Author of work: Petrus Comestor
Title: Sermones, &c.
Subject: Liturgy
Title: Processionale (?)