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The Library

Forty Centuries of Christian Writing

1774 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.

1401–1500

The Fifteenth Century

95 works

1401

Latin

On Distinguishing True from False Revelations

Jean Gerson · 1363–1429

Tests for visionary claims — the visionary's humility, obedience, physical health, and whether the revelation serves anything beyond the visionary's own standing.

Western · Discernment

1402

Latin

On the Spiritual Life of the Soul

Jean Gerson · 1363–1429

Lectures on what makes an act sinful, on the binding force of human law, and on when a Christian's conscience may resist an ecclesiastical command.

Western · Theology

written 1333; printed from 1470s

Latin

The Manual of Parish Priests

Manipulus Curatorum

Guido de Monte Rochen · 14th century

What a parish priest must know to administer the sacraments and hear confessions, written for clergy with little formal training.

Western · Handbook

1405

Old French

The Book of the City of Ladies

Christine de Pizan · c. 1364–c. 1430

Reason, Rectitude, and Justice help the author build a walled city peopled by virtuous women from scripture, history, and legend, in answer to misogynist authorities.

Western · Allegory

1402–1408

Latin

On Mystical Theology

Jean Gerson · 1363–1429

An attempt to give mystical experience a place inside academic theology, defining contemplation as knowledge reached through love rather than through argument.

Western · Mystical

1409

Latin

On the Unity of the Church

Jean Gerson · 1363–1429

An argument that the church may act to heal itself when the papacy will not, since the church exists for the salvation of souls and not for the convenience of its officers.

Western · Political theory

written 1376; widely copied thereafter

Latin

The Directory of Inquisitors

Directorium Inquisitorum

Nicholas Eymerich · c. 1316–1399

A systematic manual of inquisitorial law and procedure, defining heresy, listing condemned propositions, and prescribing the conduct of trials.

Dominican · Handbook

c. 1410

Latin

On the Long Schism

Dietrich of Niem · c. 1345–1418

A curial official's insider history of the schism, naming names and describing the financial machinery of the rival papal courts without much charity.

Western · History

1410

Latin

On the Ways of Uniting and Reforming the Church

Dietrich of Niem · c. 1345–1418

A distinction between the universal church, which cannot err, and the Roman church, which plainly can — with the conclusion that a council may depose both claimants.

Western · Political theory

c. 1409–1410

Middle English

The Mirror of the Blessed Life of Jesus Christ

Nicholas Love · d. c. 1424

An English version of the Pseudo-Bonaventure meditations, expanded with passages defending the eucharist and the church against Lollard objections.

Western · Devotional

1413

Latin

On the Church

De Ecclesia

Jan Hus · c. 1372–1415

The church defined as the whole body of the predestined, whose head is Christ — so that a pope in mortal sin is no true head, and obedience is owed to commands only insofar as they accord with scripture.

Western · TheologyEphesians1 Corinthians

1414

Latin

On Frequent Communion

Jacob of Mies · c. 1372–1429

An argument from scripture and the fathers that laypeople should receive the cup as well as the bread, and receive often rather than once a year.

Hussite · TreatiseJohn1 Corinthians

c. 1400–1430

Latin

The Customs of the Brethren of the Common Life

The Brethren of the Common Life

Arrangements for households of men or women living together in shared work and prayer without vows, supporting themselves by copying manuscripts.

Devotio Moderna · Rule

6 April 1415

Latin

Haec Sancta Synodus

The Council of Constance

A decree declaring that a general council holds authority immediately from Christ, and that everyone including the pope must obey it in matters of faith, schism, and reform.

Western · Decree

1414–1415

Latin

The Letters from Constance

Jan Hus · c. 1372–1415

Letters smuggled from prison to friends in Bohemia, refusing to abjure opinions he was not shown to have held, and asking pardon of anyone he had offended.

Western · Letters

1416

Latin

On the Authority of the Church

Pierre d'Ailly · 1351–1420

A defence of the council's authority over a pope, distinguishing the church as a whole from the Roman church and locating infallibility in the former.

Western · Ecclesiology

1416

Latin

Letter on the Death of Jerome of Prague

Poggio Bracciolini · 1380–1459

A humanist at Constance describes, with reluctant admiration, the eloquence and composure of a heretic he watched defend himself and then burn.

Western · Letter

9 October 1417

Latin

Frequens

The Council of Constance

A decree requiring general councils to meet at fixed intervals — five years, then seven, then every ten — so that the church could correct itself without waiting for a crisis.

Western · Decree

1418

Latin

The Consolation of Theology

Jean Gerson · 1363–1429

Written in exile after Constance in imitation of Boethius, on how to keep hope when reform has failed and the church one worked for looks no better.

Western · Dialogue

c. 1418

Old Church Slavonic

The Life of Sergius of Radonezh

Epiphanius the Wise · c. 1350–c. 1420

The monk who founded the Trinity monastery north of Moscow, blessed Prince Dmitry before Kulikovo, refused the office of metropolitan, and made his own shoes.

Rus · Biography

1420

Latin

The Four Articles of Prague

The Hussites of Prague

Four demands: free preaching of the word, communion in both kinds for the laity, clergy stripped of worldly property, and public sins punished regardless of rank.

Hussite · Manifesto

1420

Czech

The Taborite Articles

The community of Tábor

The demands of the radical Hussite wing: no purgatory, no images, no vestments, worship in barns if necessary, and a community holding goods in common.

Hussite · Manifesto

c. 1409–1420

Latin

The Monotessaron

Jean Gerson · 1363–1429

The four gospels harmonised into a single continuous narrative in a hundred and fifty chapters, with the sources marked throughout.

Western · Gospel harmonyMatthewMarkLukeJohn

c. 1400–1450 in Ge'ez

Ge'ez

The Miracles of Mary

Ta'ammera Maryam

Anonymous

Marian miracle stories translated from Arabic and greatly expanded with Ethiopian material, read liturgically and illustrated in brilliantly coloured manuscripts.

Ethiopian · Anthology

c. 1420–1422

Latin

The Hussite Chronicle

Lawrence of Březová · c. 1370–c. 1437

A moderate Hussite's account of the revolution and the first crusades against it, critical of the radicals at Tábor as well as of the crusaders.

Hussite · Chronicle

c. 1420–1424

German

The Chronicle of the Council of Constance

Ulrich Richental · c. 1360–1437

A townsman's illustrated account of the council — who came, what they wore, what the town charged for lodging, and the burning of Hus described as he saw it.

Western · Chronicle

c. 1420–1429

Greek

On the Sacred Liturgy and the Rites of the Church

Symeon of Thessalonica · d. 1429

A complete explanation of Orthodox worship — the church building, all the sacraments, the funeral rites, the ordinations — by the last archbishop of the city before it fell.

Byzantine · Liturgy

c. 1418–1427

Latin

The Imitation of Christ

De Imitatione Christi

Thomas à Kempis · c. 1380–1471

Four short books of counsel on self-knowledge, inner detachment, the consolations of the interior life, and the sacrament — written in aphorisms brief enough to stop a reader on almost every page.

Devotio Moderna · DevotionalJohnMatthew

c. 1425–1444

Italian

The Sermons

Bernardino of Siena · 1380–1444

Sermons preached in town squares for hours at a stretch and taken down verbatim by listeners — on usury, on gossip, on family life, on the holy name of Jesus.

Franciscan · Homilies

1429–1430

Old French

The Letters

Joan of Arc · c. 1412–1431

Dictated letters to the English commanders, to the citizens of towns, and to the Hussites of Bohemia, opening in the name of Jesus and Mary and signed with a cross.

Western · Letters

c. 1425–1440

Latin

Sermons to the Novices

Thomas à Kempis · c. 1380–1471

Conferences to young canons on humility, silence, the danger of curiosity, and the ordinary discipline of a house of the Common Life.

Devotio Moderna · Homilies

1431; nullification trial 1456

Latin

The Trial Record of Joan of Arc

The court of Rouen

The verbatim record of the interrogation of an illiterate peasant girl by university theologians, including her answers about her voices and about whether she was in God's grace.

Western · Court record

1433

Latin

On Catholic Concordance

De Concordantia Catholica

Nicholas of Cusa · 1401–1464

A programme for reform of church and empire built on consent: all legitimate authority rests on the agreement of those subject to it, in councils and in states alike.

Western · Political theory

1433–1437

Latin

The Reform Proposals of the Council of Basel

The Council of Basel

Decrees abolishing annates, regulating appeals to Rome, requiring provincial synods, and restricting the papacy's financial claims on local churches.

Western · Decrees

c. 1436–1438

Middle English

The Book of Margery Kempe

Margery Kempe · c. 1373–after 1438

A brewer and mother of fourteen from Lynn dictates her life: a breakdown after childbirth, a vow of chastity negotiated with her husband, pilgrimages to Jerusalem and Rome, and the loud weeping that made people want her burned.

Western · Autobiography

c. 1438; published 1475

Italian

The Seven Spiritual Weapons

Catherine of Bologna · 1413–1463

Seven weapons against temptation, written by an abbess who also describes her own long assault by doubts about whether anything she believed was true.

Franciscan · Devotional

7 July 1438

Latin

The Pragmatic Sanction of Bourges

The clergy and crown of France

A royal ordinance adopting the Basel reforms in France: elections to bishoprics restored, appeals to Rome limited, papal taxation curtailed.

Western · Decree

22 November 1439

Latin

The Decree for the Armenians

The Council of Florence

A summary of Catholic teaching for the Armenian church, containing the first conciliar list of exactly seven sacraments with the matter and form of each.

Ecumenical · Decree

6 July 1439

Latin

Laetentur Caeli

The Council of Florence

The decree of union between the Greek and Latin churches, settling the filioque, purgatory, papal primacy, and the eucharistic bread — signed by all the Greek delegates but one.

Ecumenical · Decree

1439

Greek

The Oration on Union

Basilios Bessarion · 1403–1472

An argument to the Greek delegation at Florence that the Latin and Greek fathers say the same thing about the Spirit in different words, and that union is therefore honest.

Byzantine · Oration