Title: Les livres de chant liturgique
Subjects: Catholic Church, Gregorian chants, History, History and criticism, Liturgy, Medieval Manuscripts, Music, Sources, Catholic church, liturgy, Music, history and criticism, Manuscripts, Eglise catholique, Liturgie et rituel, Chant grégorien, plain-chant, Église catholique
Time periods: 500-1400, Middle Ages, 600-1500