Geoffrey Chaucer — 15th century, third quarter; England

Astronomical, calendarial, medical and Biblical treatises and fragments — 14th century, end; English

Calendarial and astronomical treatises and tables — 14th century

Zodiacal prognostications — 15th century; English

Theological, scientific, prophetic and historical texts — 15th century; English

Ars mensurandi — 15th century

Calendar — 15th century, last quarter; English

Medical treatises, Medical recipes — 15th century; English

Medical treatises — 14th century – 15th century; English

Guardbook of manuscript fragments

Guardbook of fragments

Calendar with historical notes — 14th century; English, Knaresborough

Secretum philosophorum — 14th or 15th century; English

Astrological treatises — 15th century, third quarter; English

Astrological treatises and tables — 14th century; English

Astrological treatises — 15th century; English

Richard Rolle — 15th century; English