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