Title: Spherae tractatus Ioannis de Sacro Busto
Description: Gerardi Cremonensis theoricae planetarum veteres. Georgii Purbachii theoricae planetarum novae. . . . Alpetragii Arabi theorica planetarum nuperrime Latinis mandata literis a calo calonymos hebreo neapolitano, etc.
Subjects: Astrology, Astronomy, Planetary theory