Alanus de Insulis, etc. — 13th century, middle; English

Theological excerpts and notes — 13th century, late; English

Johannes de Rupella, Hugh of St.-Victor — 13th century, late; English

Philosophical treatise (fragment) — 14th century, early

A bundle of Latin theological treatises and sermons, of which a fuller list is given in the Old Catalogue of 1697.

Maximianus, etc. — 12th century

Star time table, Form of exorcism — 11th century; France

Boethius, etc. — 11th century

Prudentius, etc. — 11th century

Miscellaneous theological and moral pieces in Latin, of which there is a full list in the Old Catalogue of 1697 and which… — c. 1300; England, Leicester Abbey

John Waleys, Jacobus de Cessolis, etc. — c. 1400; English

Ps.-Aristotle, etc. — 13th century, second half

Regimen sanitatis Saleritanum — 15th century, late; English

Notebook of William Mede of Sheen; England, 15th century, second half

Albertus Magnus, Arnaldus de Villanova (?), etc. — c. 1440–1450; English

Johannes Viennensis, Johannes de Sacro Bosco, etc. — Multiple dates

Boethius, De Consolatione Philosophiæ, in Old English; s. xii1

Aegidius de Columna, Ps.-Aristotle, etc. — Multiple dates; English

Ps.-Roger Bacon — 15th century, middle; Italian, Central (decoration) (?)

Thomas Aquinas, etc. — c. 1300; English

Nicholas Trevet — 15th century, middle; English

Ps.-Seneca, Ps.-Paul, etc. — 15th century, third quarter; English

Alexander of Hales, William of Auvergne, etc. — 14th century, second quarter; English

Richard Rolle, Peter of Limoges, etc. — 15th century, beginning; English

Robert Kilwardby, Franciscus de Maronis, etc. — 15th century, beginning; England

John Wyclif — 15th century, beginning; England

Hugh of St. Victor — Before 1170 (1164 × 1170?); French, Paris (?)

Martinus Polonus, etc. — 14th century, first half and middle; England

Isaac Iudaeus — 14th century

Thomas Aquinas — 14th century, early

Natural science — 14th century

Roger Bacon — 15th century, early; English

Le Livre de Sidrac — 14th century, first half; France, South