[Gradual of Saint-Ouen of Rouen with kyriale and sequences] - Bibliothèque municipale de Rouen
Described in Le graduel romain, v. 2, p. 128.
Original held in: Rouen, Bibliothèque municipale (F-R), Ms. A.280.
Microfilm.
Keywords: Music -- Manuscripts -- Facsimiles; Gregorian chants; Graduals (Liturgical books); Sequences (Music); Facsimiles; Chants