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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

c. 1430–1440

Armenian

History of Tamerlane and His Successors

Thomas of Metsoph · c. 1378–1446

An eyewitness account of Timur's campaigns through Armenia, the massacres and deportations, and the survival of the church under successive conquerors.

Armenian · History

1440

Latin

On the Donation of Constantine

De Falso Credita et Ementita Constantini Donatione

Lorenzo Valla · c. 1407–1457

A demonstration that the document by which Constantine supposedly gave the West to the papacy is a forgery — proved from its Latin, its anachronisms, and its silences.

Western · Philology

1438–1444

Greek

The Anti-Union Writings

Mark of Ephesus · 1392–1444

The encyclicals and treatises of the one Greek bishop at Florence who refused to sign the union, on the filioque, purgatory, and the impossibility of agreement by formula.

Byzantine · Polemic

1440

Latin

On Learned Ignorance

De Docta Ignorantia

Nicholas of Cusa · 1401–1464

God as the coincidence of opposites, approached only by knowing that we do not know — with a universe that has no circumference and no fixed centre.

Western · Philosophy

c. 1425–1441

Latin

On the Sacrament of the Altar

Thomas à Kempis · c. 1380–1471

The fourth book of the Imitation, circulating separately for much of its history: a dialogue between Christ and the communicant on approaching the sacrament.

Devotio Moderna · Devotional

c. 1440–1443

Czech

The Net of Faith

Sít víry

Petr Chelčický · c. 1390–c. 1460

The church as a net torn by two great whales — pope and emperor — and an argument that a Christian may not swear oaths, hold office, own another's labour, or take up arms at all.

Hussite · Treatise

c. 1444–1457

Latin

Annotations on the New Testament

Lorenzo Valla · c. 1407–1457

Notes comparing the Vulgate against Greek manuscripts and finding the Latin wanting in dozens of places, including words on which doctrines had been built.

Western · Philology

c. 1300s; block-printed from c. 1450

Latin

The Poor Man's Bible

Biblia Pauperum

Anonymous

Pages pairing a scene from Christ's life with two Old Testament prefigurations and four prophets, designed to be read as much by picture as by text.

Western · Typology

c. 1430–1471

Latin

The Collected Works

Denys the Carthusian · 1402–1471

Commentaries on the whole Bible, on Dionysius, on Peter Lombard, plus treatises on contemplation, on death, and on reform — filling forty-two printed volumes.

Western Monastic · Compendium

1450

Latin

The Layman on Wisdom

Idiota de Sapientia

Nicholas of Cusa · 1401–1464

An unlettered spoon-carver in the Roman forum instructs a professional orator and a philosopher, arguing that wisdom cries out in the streets and not only in books.

Western · Dialogue

15th century

Latin

On Visiting the Sick

Anonymous

Instructions for priests attending the dying: what to ask, what to read aloud, how to prompt the acts of faith and contrition, and what to do when speech fails.

Western · Handbook

c. 1441–1450

Ge'ez

The Book of Light

Mashafa Berhan

Zar'a Ya'eqob · 1399–1468

An emperor's treatise ordering the observance of both Sabbath and Sunday, condemning magical practices, and defining correct devotion to Mary and the cross.

Ethiopian · Theology

c. 1440–1456

Latin

The Sermons and Letters

John of Capistrano · 1386–1456

The preaching of a friar who crossed central Europe drawing enormous crowds, campaigned against Hussites and Jews, and helped raise the army that relieved Belgrade in 1456.

Franciscan · Homilies

1453

Latin

On the Vision of God

De Visione Dei

Nicholas of Cusa · 1401–1464

Written for monks with a painting whose eyes follow every viewer: an exercise in which each brother sees the gaze fixed on him alone, and learns from it how God sees.

Western · Mystical

1453

Latin

On the Peace of Faith

De Pace Fidei

Nicholas of Cusa · 1401–1464

Written weeks after Constantinople fell: representatives of every nation and religion meet in heaven and find that beneath the variety of rites there is one faith.

Western · Dialogue

c. 1449–1453

Latin

Summa on the Church

Juan de Torquemada · 1388–1468

A systematic defence of papal authority against conciliarism, arguing that a council's authority derives from the pope and not the reverse.

Dominican · Ecclesiology

c. 1453–1460

Greek

The Lament for Constantinople

Anakalema tes Konstantinopoles

Anonymous

A vernacular lament for the city, addressing the empress of cities directly and describing Hagia Sophia's icons weeping.

Byzantine · Poetry

c. 1440–1454

Latin

Moral Summa

Summa Theologica Moralis

Antoninus of Florence · 1389–1459

Moral theology for a commercial city, treating banking, exchange, partnership, wages, and the just price with the detail of someone who heard merchants' confessions.

Dominican · Ethics

c. 1455

Greek

The Confession of Faith to Mehmed II

Gennadios Scholarios · c. 1400–c. 1473

A summary of Christian doctrine written at the sultan's request by the first patriarch appointed after the conquest, phrased to be intelligible to a Muslim reader.

Byzantine · Confession

1458

Latin

On the Beryl

De Beryllo

Nicholas of Cusa · 1401–1464

A short work using the image of a lens through which the invisible becomes visible, on how the mind may glimpse the coincidence of opposites in God.

Western · Philosophy

1459

Latin

The General Reform

Reformatio Generalis

Nicholas of Cusa · 1401–1464

A programme handed to the pope proposing that reform begin at Rome and work outward, with visitors sent to every province and no exemptions for anyone.

Western · Reform proposal

c. 1458–1461

Latin

The Fortress of Faith

Fortalitium Fidei

Alonso de Espina · d. c. 1464

A four-part attack on heretics, Jews, Muslims, and demons, urging the Spanish crown to establish an inquisition against converts suspected of relapsing.

Franciscan · Polemic

c. 1450–1465

Latin

Commentary on the Psalms

Denys the Carthusian · 1402–1471

A verse-by-verse commentary gathering the whole patristic and scholastic tradition on the psalter and adding a contemplative application to each psalm.

Western Monastic · CommentaryPsalms

1461

Latin

A Sifting of the Qur'an

Cribratio Alkorani

Nicholas of Cusa · 1401–1464

A close reading of the Qur'an in Latin translation, looking for what in it is true and can be built on rather than only for what can be refuted.

Western · Polemic

c. 1455–1462

Greek

The History

Doukas · c. 1400–after 1462

A history of the last Byzantine century culminating in the fall of Constantinople, written by a Greek in Genoese service with painful sympathy for both sides.

Byzantine · History

c. 1467

Greek

History of Mehmed the Conqueror

Michael Kritovoulos · c. 1410–c. 1470

A Greek Christian writes an admiring history of the sultan who took his city, presenting Mehmed as a legitimate heir to the Roman emperors.

Byzantine · History

written 1366; printed from 1470s

Latin

Remedies for Fortune Fair and Foul

De Remediis Utriusque Fortunae

Francesco Petrarca · 1304–1374

Two hundred and fifty-four dialogues in which Reason answers Joy, Hope, Sorrow, and Fear on everything from wealth and fame to gout, exile, and the death of a child.

Western · Dialogue

first printed 1471

Latin

The Imitation of Christ in Print

Thomas à Kempis · c. 1380–1471

The first printed edition of the Imitation, followed by some hundred more before 1500 — one of the most reprinted books of the incunable age.

Devotio Moderna · Devotional

1474

Latin

On the Christian Religion

Marsilio Ficino · 1433–1499

An argument that religion is natural to humanity and that Christianity perfects what the Platonists and the ancient sages half-saw.

Western · Apology

c. 1468–1475

Old Church Slavonic

The Journey Beyond Three Seas

Afanasy Nikitin · d. c. 1475

A merchant from Tver travels to India and records, with real distress, that he has lost track of the Christian calendar and cannot keep the fasts or Easter.

Rus · Travel

c. 1468–1477

Greek

The Chronicle

George Sphrantzes · 1401–c. 1478

A courtier's diary-like record of the last emperors, ending with his own enslavement, the loss of his children in the sultan's household, and his retirement to a monastery.

Byzantine · Memoir

c. 1470–1489

Latin

The Collected Treatises

Wessel Gansfort · c. 1419–1489

Writings on prayer, the eucharist, indulgences, and the authority of scripture over papal decree, circulated in manuscript among a small circle.

Devotio Moderna · Treatises

1469–1482

Latin

Platonic Theology

Marsilio Ficino · 1433–1499

Eighteen books arguing the immortality of the soul from Platonic principles, placing the human soul at the centre of a hierarchy binding matter to God.

Western · Philosophy

written c. 1149; printed from 1483

Latin

The Vision of Tundale, Printed

Marcus · 12th century

An Irish knight is taken through hell and purgatory by his guardian angel and shown, in graphic detail, the punishment fitted to each of his own sins.

Western · Visions

1484, expanded 1488 and 1498

Spanish

The Instructions of the Spanish Inquisition

Tomás de Torquemada · 1420–1498

The operating rules of the Spanish Inquisition: how to publish an edict of grace, take denunciations, sequester property, and conduct an auto-da-fé.

Western · Procedure

1486

Latin

The Nine Hundred Theses

Giovanni Pico della Mirandola · 1463–1494

Propositions drawn from Latin, Greek, Arabic, and Hebrew sources, including the Kabbalah, offered for public disputation in Rome at the author's own expense.

Western · Theses

1486

Latin

Oration on the Dignity of Man

Giovanni Pico della Mirandola · 1463–1494

God tells Adam he has no fixed place or nature, and may sink to the brutes or rise to the divine as he chooses — an opening speech for a debate never held.

Western · Oration

1486–1487

Latin

The Hammer of Witches

Malleus Maleficarum

Heinrich Kramer · c. 1430–1505

A manual arguing that witchcraft is real, that it is chiefly a crime of women, and setting out how to identify, interrogate under torture, and execute the accused.

Dominican · Handbook