Thebit ben Corat, Arzachel, etc. — 13th century, second half

Defensor, Ambrosius Autpertus, etc. — 13th century, middle and 13th century, third quarter; English

Guitmund, Bede — 12th century, beginning; English, Durham

Thomas of Siena — 15th century, beginning (c. 1410–20); Italian, Venice

Richard of Wallingford — 15th century; English

Life and miracles of St. Jerome — 15th century; Italian

Alchemical recipes — 15th century; French (?)