Chansonnier d'Arras
The Chansonnier d'Arras is an illuminated manuscript of the late 13th century containing a variety of religious and philosophical texts and songs in 220 folios. It is written in the Picard dialect of Old French. It is now manuscript 657 (formerly 139) in the municipal library of Arras. In trouvère studies, it is known by the conventional siglum A.