Subject: Liturgy
Title: Martyrologium
Subject: Theology
Author of work: Augustinus
Title: Encheridion
Subject: Liturgy
Title: Exposition of liturgical terms in the Missal
Subject: Theology
Author of work: Ps. Clemens
Title: Recognitiones
Subject: Civil Law
Author of work: Justinianus
Title: Codex Justiniani
Subject: Biblica
Title: Biblia
Subject: Biblica
Title: Biblia
Subject: Theology
Title: Theology
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Liturgy
Title: Breviarium cum notis