Subject: Civil Law
Author of work: Justinianus
Title: Codex Justiniani
Subject: Philosophy
Author of work: Boethius
Title: Topica
Subject: Canon Law
Title: Index to canon law
Subject: Philosophy
Author of work: Boethius
Title: Commentarium in Analytica posteriora Aristotelis
Subject: Civil Law
Author of work: Justinianus
Title: Codex Justiniani
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Theology
Author of work: Petrus Lombardus
Title: Sententiae
Subject: Theology
Author of work: Petrus Lombardus
Title: Sententiae
Subject: Theology
Title: Theological questions
Subject: Theology
Author of work: Thomas Aquinas
Title: Summa theologiae