John Fortescue — 15th century, end; English

Michaelis Securis alias Hatchett of Salisbury (fl. 1545) — 16th century, middle; English

Peter of Tarentaise — 13th century, end

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

Robert Kilwardby — 14th century, first half

Roger Bacon, Thomas Aquinas, etc. — 14th century, beginning (?)

Robert Bacon — 14th century, middle

R. de Stanington — 14th century, middle

William Bonkes — 14th century, beginning

Martinus Polonus, Robert of Gloucester, etc. — 14th century; English

Alfraganus — 14th century, beginning; French (?)

Messahala, Gerard of Cremona (attrib.) — 14th century, beginning

Robert Grosseteste — 14th century, beginning

John of Salisbury, Arnulphus of Lisieux, etc. — 13th century, end

Laurentius Miniatensis Bonincontri, Albumasar, etc. — 15th century, end

Robert of Leicester (fl. 1294) — 14th century; English

Iulius Firmicus Maternus, Abraham Ibn Ezra — 14th century; English

Abraham Ibn Ezra — 14th century; English

Minor prophets, with gloss — 13th century, beginning; French

Theological treatises and quaestiones — 14th century

Avicenna — 13th century, end

Avicenna, Thomas Aquinas — 13th century, second half; Italian

Avendauth, Alkindi, etc. — 13th century, second half; Italian (?)

Isaac Iudaeus, Alkindus, etc. — 13th century, end; Italian (?)

Avicenna, Alexander of Aphrodisias, etc. — 13th century, end; Italian (?)

John Pecham — 14th century, beginning; English

Jacobus de Theramo — 15th century, beginning; English

Roger Bacon — 15th century, beginning; English

Aelred of Rievaulx, John Cassian, etc. — 14th century; English

Robert Grosseteste, etc. — 14th century, second half; English

Roger Bacon — 14th century; English

Ars notoria — 14th century (?); English

Ecclesiastical documents — 14th century (?); English

Prophecies — 14th century (?); English

Ranulph Higden — 14th century (?); English

Alberic of London (?), Alexander Nequam, etc. — 14th century

Henry Bracton (attrib.) — 14th century, beginning; English

Alexander de Villa Dei, Aḥmad ibn Yūsuf, etc. — 14th century

Proclus — 14th century