Antiphonale monasticum pro diurnis horis ordinis Sancti Benedicti a solesmensibus monachis restitutum. Parisiis, Tornaci, Romae. 1935. For Gregorian music.
Apocryphal New Testament, edited by M. R. James. Oxford, 1924.
Blume, C., “Hymnologie und Kulturgeschichte des Mittelalters”, in Festschrift f. Georg von Hertling. Kempten, 1913. Pp. 117-130.
Brehier, L., L’art chrétien. Paris, 1928. 2nd edition.
Brown, C., English lyrics of the 13th century. London, 1932.
——, Religious lyrics of the 14th century. Oxford, 1924.
——, Religious lyrics of the 15th century. Oxford, 1939.
——, Register of Middle English religious and didactic verse, Pt. II. Oxford, 1920.
Burdach, K., Vorspiel, Bd. I. Über den Ursprung des mittelalterlichen Minnesangs, Liebesromans und Frauendienstes. Halle S., 1925.
Chambers, E. K., Mediaeval Stage, 2 vols. Oxford, 1903.