This anthology of newly-translated texts covers the single most important branch of medieval literary theory and criticism--the commentary tradition--in one of the most significant periods of its development. Fully annotated with notes and introductions the selections encompass a wide range of topics--including authorship ethics symbolism biography poetics allegory and semiotics--and represent many important writers--including Dante Petrarch Boccaccio Grosseteste Abelard and Peter Lombard.