Subject: Moral philosophy
Author of work: F. Petrarchus (Francesco Petrarca)
Title: De remediis utriusque fortunae
Subject: Canon Law
Title: Commentary on Decretum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Philosophy
Author of work: Thomas Aquinas
Title: Commentaria in Metaphysica Aristotelis
Subject: Theology
Author of work: Petrus Lombardus
Title: Sententiae
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Music
Place of production: England