Collection items

12th-century calendar and annals

Manuscript Created date: Late 12th century–Early 13th century

In the Middle Ages, as today, calendars served to organise time into days and months. This fragment collection contains...

12th-century miscellany of Latin texts

Manuscript Created date: Early 12th century

The oldest surviving copy of the History of the Britons (Historia Brittonum) is found in a miscellany of late Antique an...

Amalarius of Metz, De Ecclesiasticis officiis

Manuscript Created date: c. 1100

Amalarius of Metz (d. c. 850) was one of the great writers of the Carolingian age. He participated actively in political...

Anselm of Canterbury's theological treatises

Manuscript Created date: 4th quarter of the 12th century

This composite volume, consisting of two originally separate booklets, contains seven of Anselm’s thirteen scholarly tre...

Astronomical texts

Manuscript Created date: 12th century

Astronomy, the science of the stars, was an important part of the early medieval curriculum. This astronomical collectio...

Baudri of Bourgueil, History of Jerusalem

Manuscript Created date: 2nd half of the 12th century

The Historia Hierosolimitana (History of Jerusalem) is one of the most sophisticated accounts of the First Crusade (1095...

Bilingual Psalter

Manuscript Created date: 4th quarter of the 12th century

Produced in England during the last quarter of the 12th century, this manuscript is one of only a few bilingual Psalters...

Boethius, De institutione arithmetica

Manuscript Created date: 3rd quarter of the 12th century

Written by the sixth-century Roman philosopher Boethius, De institutione arithmetica (On Arithmetic) was the principal m...

Canterbury or Anglo-Catalan Psalter

Manuscript Created date: 4th quarter of the 12th century

The Canterbury Psalter is amongst the most lavishly illustrated of English manuscripts. The luxurious decoration is part...

Cartulary of Reading Abbey

Manuscript Created date: 1190–1199

The 12th-century Cartulary of Reading Abbey gives a list of works held at the medieval libraries at Reading Abbey and Le...

Collection of medieval chronicles

Manuscript Created date: 1197–1450

Ralph de Diceto, Dean of St Paul’s Cathedral from c. 1180 to c. 1199, wrote two historical chronicles, the Abbreviated C...

Computus collection including Byrhtferth of Ramsey...

Manuscript Created date: 2nd quarter of the 12th century

The Enchiridion (Handbook) by Byrhtferth of Ramsey Abbey (fl. c. 986–c. 1016) is a commentary on the computus, covering ...

Constantine the African, De Melancholia

Manuscript Created date: 3rd quarter of the 12th century

A treatise on melancholy by Constantine the African (d. 1098) is inserted into a collection of popular historical and ph...

Continental copy of Geoffrey of Monmouth’s History...

Manuscript Created date: 4th quarter of the 12th century

The History of the Kings of Britain presents a legendary account of the history of Britain composed by the 12th-century...

Decorated copy of Gratian’s Decretum

Manuscript Created date: 1171–1180

The Decretum, an encyclopedia of Church or canon law compiled by the Bolognese scholar, Gratian, in around 1140, became...