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The Library

Forty Centuries of Christian Writing

1277 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.

1201–1300

The Thirteenth Century

98 works

c. 1204–1215

Greek

The History

Niketas Choniates · c. 1155–1217

Byzantine history to 1206, culminating in the sack of Constantinople by the Fourth Crusade — the looting of Hagia Sophia, the destruction of ancient bronzes, and the author's own flight.

Byzantine · History

c. 1208–1215

Latin

The Penitential Book

Robert of Flamborough · d. c. 1224

A confessor's manual in dialogue form, showing how to question a penitent gently, in what order, and how to avoid suggesting sins they had not thought of.

Western · Handbook

c. 1213–1215

Latin

The Life of Marie d'Oignies

James of Vitry · c. 1160/70–1240

A married woman who persuaded her husband to live in continence, gave away their goods, and lived a life of extreme penance and eucharistic devotion outside any religious order.

Western · Biography

1215

Latin

The Canons of the Fourth Lateran Council

The Fourth Lateran Council

Seventy canons defining transubstantiation, requiring annual confession and communion, forbidding clergy to take part in ordeals, and imposing distinguishing dress on Jews and Muslims.

Western · Canons

c. 1217–1219

Latin

The Statutes of Salisbury

Richard Poore · d. 1237

Diocesan statutes applying the Fourth Lateran reforms in England: what a parish priest must know, how to hear confessions, and what must be kept in a parish church.

Western · Canons

1216–1220

Latin

The Primitive Constitutions

Dominic de Guzmán and the early Order of Preachers · c. 1170–1221

A constitution built for a preaching order: elected superiors, a general chapter of delegates, dispensation from any observance that would hinder study, and no landed endowment.

Dominican · Rule

c. 1219–1226

Latin

The Letters

Francis of Assisi · 1181/82–1226

Letters to the whole order, to rulers, and to clergy, mostly concerned with reverence for the eucharist and with gathering up written words of God from the ground.

Franciscan · Letters

1221

Latin

The Earlier Rule

Regula Non Bullata

Francis of Assisi · 1181/82–1226

The unapproved rule: a patchwork of gospel texts and instructions on begging, on working with one's hands, on going among the Saracens, and on owning nothing whatever.

Franciscan · RuleMatthewLuke

c. 1222

Syriac

The Book of the Bee

Solomon of Basra · 13th century

A compendium of sacred history from creation to the end of the world, gathering legends about Adam's burial, the Magi, and the fate of the apostles.

Church of the East · Compendium

1223

Latin

The Later Rule

Regula Bullata

Francis of Assisi · 1181/82–1226

The rule approved by the pope, shorter and more governable, binding the friars to live without property of any kind, individually or in common.

Franciscan · Rule

c. 1219–1223

Latin

The Dialogue on Miracles

Caesarius of Heisterbach · c. 1180–c. 1240

Hundreds of stories told by a novice master — demons in the cloister, deathbed visions, a knight who cannot say the Lord's Prayer, monks who fall asleep in choir.

Cistercian · Anecdotes

c. 1220–1226

Latin

The Admonitions

Francis of Assisi · 1181/82–1226

Twenty-eight short sayings on obedience, on knowledge that puffs up, on the friar who is disturbed by anything at all, and on true and perfect joy.

Franciscan · Aphorisms

c. 1225–1240

Middle English

Guide for Anchoresses

Ancrene Wisse

Anonymous

A rule for three enclosed sisters covering prayer, temptation, confession, and daily arrangements — including whether to keep a cat and what to say to visitors at the window.

Western · Rule

1225

Italian

The Canticle of the Creatures

Cantico delle Creature

Francis of Assisi · 1181/82–1226

Praise offered through Brother Sun, Sister Moon, Brother Wind, Sister Water, and finally Sister Bodily Death — composed while nearly blind and in constant pain.

Franciscan · PoetryPsalmsDaniel

c. 1225–1228

Latin

On Light

De Luce

Robert Grosseteste · c. 1168–1253

A cosmology in which light is the first bodily form, expanding from a point to generate the spheres — creation described as a mathematical process.

Scholastic · Natural philosophy

c. 1222–1225, revised 1234

Latin

Summa on Penitential Cases

Raymond of Peñafort · c. 1175–1275

A confessor's manual sorting sins by kind and circumstance, with detailed treatment of usury, marriage, restitution, and what to do about a penitent who cannot pay back what he stole.

Dominican · Handbook

1226

Latin

The Testament

Francis of Assisi · 1181/82–1226

Dictated weeks before his death: how the Lord led him among lepers, his reverence for priests however unworthy, and a command that the rule not be glossed or explained away.

Franciscan · Testament

1228–1229

Latin

The First Life of Saint Francis

Thomas of Celano · c. 1185–c. 1265

The official life commissioned for the canonisation, written by a friar who had known him, covering the conversion, the crib at Greccio, and the stigmata.

Franciscan · Biography

c. 1220–1230

Old Church Slavonic

The Kyiv Caves Paterikon

Anonymous

Stories of the monks of the Caves monastery — an icon painter, a doctor, a miser, a monk tormented by demons — collected from an exchange of letters between two churchmen.

Rus · Anecdotes

c. 1222–1236

Latin

The Letters to Diana d'Andalò

Jordan of Saxony · c. 1190–1237

Letters from the head of an order to a nun he loved, unembarrassed about affection, missing her, and apologising for how rarely he can write.

Dominican · Letters

1234

Latin

The Decretals of Gregory IX

Liber Extra

Raymond of Peñafort · c. 1175–1275

Papal decisions since Gratian, edited into five books and promulgated as the exclusive law of the church, with all earlier collections declared superseded.

Western · Canon law

c. 1230–1240

Latin

The Biblical Concordance

Hugh of Saint-Cher and the friars of Saint-Jacques · c. 1200–1263

Every significant word in the Latin Bible listed alphabetically with references, produced by a team of friars working from a newly standardised chapter division.

Dominican · Reference

c. 1232–1235

Latin

The Hexaemeron

Robert Grosseteste · c. 1168–1253

A commentary on the six days combining patristic exegesis with optics, astronomy, and the author's own observations of the natural world.

Scholastic · CommentaryGenesis

c. 1231–1236

Latin

On the Universe

William of Auvergne · c. 1180–1249

A bishop of Paris works through the newly available Aristotelian and Arabic philosophy, accepting what he can and rejecting the eternity of the world and the single intellect.

Scholastic · Philosophy

c. 1237–1250

Latin

The Sacred Exchange between Saint Francis and Lady Poverty

Sacrum Commercium

Anonymous

Francis climbs a mountain to court Lady Poverty, who recounts her history from Eden through the desert fathers and is finally given a meal of scraps on the bare ground.

Franciscan · Allegory

c. 1238

Arabic

The Nomocanon

Al-Majmu al-Safawi

Al-Safi ibn al-Assal · 13th century

A systematic code of church and civil law for Egyptian Christians, drawing on Byzantine, Syriac, and Islamic legal material.

Coptic · Canon law

1234–1253

Latin

The Letters to Agnes of Prague

Clare of Assisi · 1194–1253

Four letters to a king's daughter who left the court for a convent, urging her to gaze into the mirror of the cross and to refuse any endowment offered to her house.

Franciscan · Letters

c. 1238–1246

Old Church Slavonic

The Tale of the Ruin of the Russian Land

Anonymous

A short fragment recalling the beauty and strength of the land before the Mongol invasion, breaking off before it reaches the disaster itself.

Rus · Lament

c. 1230–1245

Latin

The Little Summaries of Logic

Summulae Logicales

Peter of Spain · c. 1215–1277

A textbook of logic covering the Aristotelian syllogism and then the medieval theory of how terms actually refer in a sentence.

Scholastic · Logic

c. 1240–1250

Latin

The Book of the Two Principles

Liber de Duobus Principiis

Anonymous

A scholastic defence of two eternal principles, good and evil, arguing that a wholly good God cannot be the origin of a world containing so much wrong.

Cathar · Theology

c. 1240

Latin

On the Properties of Things

De Proprietatibus Rerum

Bartholomaeus Anglicus · c. 1203–1272

Nineteen books on God, angels, the human body, illness, air, birds, stones, colours, and smells, compiled by a friar teaching in Germany.

Franciscan · Encyclopaedia

c. 1230–1250

Middle Dutch

The Seven Manners of Loving

Beatrice of Nazareth · c. 1200–1268

Seven ways in which love seizes the soul, from a desire to serve purely, through a love that wounds and maddens, to a longing that cannot rest short of eternity.

Cistercian · Mystical

c. 1236–1245; completed later

Latin

The Summa of Theology

Alexander of Hales and his school · c. 1185–1245

A vast collaborative theology from the first Franciscan master at Paris, notable for organising material by question rather than by commentary on a text.

Franciscan · Systematic theology

1246–1247

Latin

The Remembrance of the Desire of a Soul

Thomas of Celano · c. 1185–c. 1265

A second life drawing on memories gathered from Francis's closest companions, franker about his severity, his illnesses, and his disappointment with the order.

Franciscan · Biography

13th century; authorship disputed

Latin

Dies Irae

Attributed to Thomas of Celano · c. 1185–c. 1265

A sequence on the day of wrath, the trumpet, the opened book, and a final quiet plea from the accused to the judge who once sat down weary seeking him.

Franciscan · Hymns

c. 1235–1253

Latin

The Letters

Robert Grosseteste · c. 1168–1253

Correspondence of a reforming bishop, including a refusal to install the pope's nephew in an English benefice on the grounds that the order was contrary to the gospel.

Scholastic · Letters

c. 1250

Latin

On the Division of the Sciences

Robert Kilwardby · c. 1215–1279

A map of all the sciences and their relations to one another, written for students entering the arts faculty and needing to know what they were studying.

Dominican · Education

c. 1240–1260

Latin

The Seven Steps of Prayer

David of Augsburg · c. 1200–1272

A novice master's practical guidance on the stages of prayer and the reform of the inner and outer person, written without visionary claims of any kind.

Franciscan · Devotional

c. 1240–1260

Middle Dutch

The Visions

Hadewijch of Brabant · 13th century

Fourteen visions of overwhelming intensity, in which Love appears as a demanding lady and the seer is drawn into the abyss of the Trinity and sent back unsatisfied.

Beguine · Visions