The Enigmas of the Grail. On the Controversy Over the Unity of Li Contes del Graal of Chr�tien de T

This paper presents a review of the controversy about the unity of the last roman of Chrétien de Troyes, Li Contes del Graal which took place in the late fifties between Martí de Riquer, Jean Frappier and Erich Köhler. More than fifty years later, this paper will appraise the contributions that this controversy made to Romance philology, and, in particular, to the assessment of the last work of the Champenian writer