Dreves, G.M. ed. Analecta Hymnica Medii Aevi. 55 Volumes. Leipzig: 1886. Reprint. Frankfurt am Main: Minerva, 1961.

Frere, Walter Howard, ed. Antiphonale Sarisburiense. London: Plainsong and Mediaeval Music Society, 1901-24; reprint, Farnborough, Hants.: Gregg Press Limited, 1966.

Frere, Walter Howard. The Use of Sarum, II. The Ordinal and Tonale. Cambridge: Cambridge University Press, [1898-] 1901.

Hesbert, Dom René-Jean. Antiphonale missarum sextuplex. Rome: Herder, 1935.

Hesbert, Dom René-Jean. Corpus Antiphonalium Officii. 6 vols. Rome: Herder, 1963-79. [For a description of CAO within Cantus Index and the related databases, click here.]

Hesbert, Dom René-Jean. "The Sarum Antiphoner--Its Sources and Influence." Journal of the Plainsong and Mediaeval Music Society 3 (1980): pp. 49-55.

Holweck, F.G. A Biographical Dictionary of the Saints. London: Herder, 1924; Reprint Detroit: Omnigraphics, 1990. Available on Internet Archive.

Lewis, Charlton T. and Short, Charles. A New Latin Dictionary. Oxford: Clarendon, 1879.