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The Library

Forty Centuries of Christian Writing

1780 works catalogued century by century, from the literature the Bible was written among to the present — each with a note on what it is, why it lasted, and where to read it.

701–800

The Eighth Century

2 works

c. 700–750

Latin

The First Roman Ordo

Ordo Romanus I

Anonymous

A stage-by-stage description of a papal mass in Rome — the procession, the vesting, who carries what, where each official stands.

Western · LiturgyRead elsewhere

c. 784–791 in its Frankish form

Latin

The Gregorian Sacramentary

Anonymous

The book of prayers said by the celebrant at mass, sent from Rome to Charlemagne and then supplemented to cover what Frankish use required.

Western · LiturgyRead elsewhere

801–900

The Ninth Century

1 work

c. 823

Latin

On the Liturgy

Liber Officialis

Amalarius of Metz · c. 775–850

An allegorical reading of the mass in which each gesture and vestment re-enacts a moment of the passion — the deacon's movements, the folding of the cloth, the silence of the canon.

Western · LiturgyRead elsewhere

1101–1200

The Twelfth Century

1 work

c. 1195–1197

Latin

On the Sacred Mystery of the Altar

De Sacro Altaris Mysterio

Innocent III · 1160/61–1216

A detailed commentary on the mass, its vestments and gestures, written before its author's election and used as an authority long after.

Western · LiturgyRead elsewhere

1501–1600

The Sixteenth Century

3 works

October 1520

Latin

The Babylonian Captivity of the Church

Martin Luther · 1483–1546

A reduction of the seven sacraments to two or three, and an argument that the mass is a promise to be received rather than a sacrifice to be offered.

Lutheran · TreatiseFull text

January 1523

German

The Sixty-Seven Articles

Huldrych Zwingli · 1484–1531

Articles defended before the Zurich council: the gospel needs no confirmation from the church, the mass is not a sacrifice, and Christ alone is the head of believers.

Reformed · ThesesRead elsewhere

1570

Latin

The Roman Missal

Pope Pius V and the Tridentine commission

A single order of mass imposed on the Western church, replacing local uses except those more than two centuries old.

Western · LiturgyRead elsewhere