Wordsworth, C., Ceremonies and processions of the cathedral church of Salisbury. Cambridge, 1901.

——, Notes on mediaeval services in England. London, 1898.

——, and H. Littlehales, The old service books of the English church. London, 1904.

York breviary, edited by J. H. Srawley. Surtees Society Pub. vols. 71, 75. Durham, 1880, 1883.

V. Hymns and Medieval Culture, especially Art, Drama, Literature and Music

Acta Sanctorum quotquot orbe coluntur ... collegit Joannes Bollandus etc., 1643 et seq.

Addison, J. T., Medieval Missionary. A study of the conversion of northern Europe A. D. 500-1300. New York, 1936. This book supersedes earlier works.

Allen, P. S., Romanesque lyric. Chapel Hill, 1928.

Altamira, R., History of Spanish Civilization, translated by P. Volkov. London, 1930.

Ante-Nicene fathers, vol. VIII. American Reprint. Buffalo, 1886. For Apocryphal books of the N. T.