Antiphonarium Hartkeri, saec. XI, St. Gall MS, 390-391, p. 15-16. Paléographie Musicale, Deuxième Série, Tome 1.
Antiphonary of Bangor, An early Irish manuscript in the Ambrosian Library at Milan, edited by F. E. Warren. Henry Bradshaw Society Pub. vols. 4, 10. London, 1893, 1895.
Batiffol, P., Études de liturgie et d’archéologie chrétienne, Ch. VI, La Chandeleur, 193-215. Paris, 1919.
——, History of the Roman Breviary. Translated from the 3rd French edition by A. M. Baylay. London, 1912.
Bishop, E., Liturgica historica, Oxford, 1918.
——, “Spanish Symptoms”, Theological Studies, 8 (1907) 278-294.
——, The Mozarabic and Ambrosian Rites. London, 1924.
Blume, C., Der cursus S. Benedicti Nursini und die liturgischen Hymnen des 6.-9. Jahrhunderts. Leipzig, 1908.
——, Unsere liturgischen Lieder. Regensburg, 1932.
Bohatta, H., Bibliographie des livres d’heures etc. Wien, 1924, 2nd ed.