ALBERTUS MAGNUS. De coelo et mundo. Woodcut diagrams in text. 73, [1] leaves. Gothic type. bound with: ALBERTUS DE SAXONIA. Quaestiones in Aristotelis libros de caelo et mundo. [52] leaves, including final blank. Gothic type. Together, 2 volumes in one. Folio, 318x218 mm, contemporary 1/4 blind-tooled leather over wooden boards with brass catches and leather clasp straps without clasps, spine defective, covers detached; marginal dampstaining through most of the first work and some of the second, few small wormholes throughout with slight text loss, scattered early marginalia. (Venice: Johannes and Gregorius de Gregoriis, 6 July 1495); (Venice: Bonetus Locatellus for Octavianus Scotus, 24 October 1492)