Serpens

National Library of Russia - Q. v. IX. 2, fol. 2v-3r - 11th century

British Library - Royal 13 A XI, fol. 107v-108r - 11th century (fourth quarter)

Gerard of Cremona p.147v-148r - 1300 (circa)

Gerard of Cremona p.185v-186r - 14th century

Gerard of Cremona p.159r - 14th century

al-Sufi p.126v - 14th century

Seneca, Lucius Annaeus p.180r - 1317 (circa)

Bodleian Library - Digby 46 , fol. 78v - 14th century (fourth quarter)

Gerard of Cremona p.36v-37r - 15th century

Gerard of Cremona p.60v-61r - 15th century

Gerard of Cremona p.96v - 15th century

Gerard of Cremona p.52r - 1426

Prosdocimo de' Beldomandi p.161v - 1435

Gerard of Cremona p.15r - 1472

Gerard of Cremona p.37r - 1490 (circa)

Gerard of Cremona p.36v-37r - 1490 (circa)

Zucchi, Jacopo (born c1540, died 1589 or 1590) - 1586 (circa)

Bayer, Johannes - 1648

Marciano, Marcello p.48 - 1666