Letter of fraternity — c. 1395–1402, 1450; English
Alexander de Villa Dei, etc. — c. 1300
Martin of Spain, etc. — 15th century
Petrus de S. Audomaro, Albumasar, etc. — 14th century
Alcabitius, etc. — 15th century
Geoffrey Chaucer — 15th century
Matthias Woghenoris — 15th century
Alexander de Villa Dei, Johannes de Sacro Bosco, etc. — 13th century
Calendar, Astrological notes and tables, etc. — 14th century, early
Astronomical diagram — 13th century