Richard of Wallingford, etc. — 15th century (?)

Astrological treatises — 15th century (?)

Dietary, Scientific texts — 15th century (?)

Treatises on calendar, Arithmetical treatise — 12th century

Geoffrey of Monmouth — 13th century, beginning

Walter Map, etc. — 12th century, end

Albertus Magnus, etc. — 14th century; Multiple places of origin

Roger Bacon — 13th century