Ps.-Ptolemy — 13th century, beginning (?) (after 1147); English

Philo of Byzantium, Ps.-Euclid, etc. — 13th century, beginning; English

Roger of Hereford — 13th century, first half (?) or between 1177 and 1182 (?); English

Abraham ibn Ezra — 12th century, second half; English

Alfraganus, etc. — 13th century, beginning; English

Albategni — 12th century, end; English

Bernard de Gordon — 14th century; English

Ps.-Boethius, Horace, etc. — 13th century, beginning; English

Gerland, etc. — c. 1164–1168 (?); English

Petrus Peregrinus de Maricourt, Ps.-Ptolemy, etc. — 15th century (in part 1458); English

Thomas of Wilton, Adam of Aldersbach, etc. — 15th century; English

John Mirk, Ps.-Edward the Confessor, etc. — 15th century; English