Reference Works for Medieval Liturgy
Blaise, Albert.  Le vocabulaire latin des principaux thèmes liturgiques.  Turnhout: Brepols,  1966.  

Bradshaw, Paul F.  
The Search for the Origins of Christian Worship:  Sources and Methods for the Study of Early Liturgy.  
Second Edition.  Oxford; New York:  Oxford University Press, 2002.

Cattaneo, Enrico.  
Il culto cristiano in Occidente:  note storiche.  Third Edition.  Rome:  C. L. V. – Edizioni liturgiche, 1978.

Dictionnaire d’archéologie chrétienne et de liturgie.  Ed. Fernand Cabrol.  15 vols. in 30.  Paris:  Letouzey et Ané, 1907-53.

L’Eglise en prière:  Introduction à la liturgie.  Eds. Aimé-Georges et al.  Paris:  Desclée, 1961. (= The Church at Prayer:  
An Introduction to the Liturgy
.  Vols. I-III.  Eds. Aimé-Georges Martimort et al.  Trans. Matthew J. O’Connell.  Collegeville,
MN:  The Liturgical Press, 1987. )

Jungmann, Josef A.  
Missarum Sollemnia:  Eine genetische Erklärung der römischen Messe.  Fifth Edition.  2 vols.  
Vienna:  Herder, 1962.  (English Translation of the Second Edition =  
The Mass of the Roman Rite:  Its Origins and
Development (Missarum Sollemnia)
. Trans. Francis A. Brunner.  2 vols.  Westminister, Maryland:  Christian Classics, Inc.,

Klauser, Theodor.  
A Short History of the Western Liturgy:  An Account and Some Reflections.  Trans. John Halliburton.  
London:  Oxford University Press, 1969.  

Lechner, Josef.  
Liturgik der römischen Ritus. Sixth Edition. Freiburg:  Herder, 1953.

The Liturgy of the Medieval Church.  Eds. Thomas J. Heffernan  and E. Ann Matter.  Kalamazoo, MI:  Medieval Institute
Publications, Western Michigan University, for the Consortium for the Teaching of the Middle Ages, 2001.

A New Dictionary of Liturgy & Worship.  Ed. J. G. Davies.  London:  SCM Press, 1986.

The Oxford Dictionary of the Christian Church.  Eds. F. L. Cross and E. A. Livingstone.  Third Edition.  Oxford; New York:  
Oxford University Press, 2005.

The Oxford History of Christian Worship.  Eds. Geoffrey Wainwright and Karen B.  Westerfield Tucker.  New  York:  Oxford
University Press, 2006.

Palazzo, Éric.  
A History of Liturgical Books from the Beginning to the Thirteenth Century.  Trans. Madeleine Beaumont.  
Collegeville, Minnesota:  The Liturgical Press, 1998.  (French =
Le moyen âge :  des origines au XIIIe siècle.  Paris :  
Beauchesne, 1993.)

Radó, Polikarp.  
Enchiridion liturgicum:  complectens theologiae sacramentalis et dogmata et leges.  2 vols.  Rome:
Herder, 1961.

Righetti, Mario.  
Manuale di storia liturgica.  4 vols.  Milan:    Àncora, 1950-1956.

Senn, Frank C.  
The People’s Work:  A Social History of the Liturgy.  Minneapolis:  Fortress Press, 2006.

Wegman, Hermann A. J.  
Christian Worship in East and West:  A Study Guide to  Liturgical History.  Trans. Gordon W.
Lathrop.  New York:  Pueblo Publishing Company, 1985.

Liturgie in der Geschichte des Christentums.  Regensburg :  F. Pustet, 1994.