De secretis naturae
Subtitle: siue, Quinta essentia libri duo.  His accesserunt, Alberti Magni.  De mineralibus & rebus metallicis libri quinque.  Quae omnia solerti cura repurgata rerum naturae studiosis recens publicata sunt per Gualtherum H. Ryff.
Contributors: Albertus, Magnus, Saint, 1193?-1280.; Ryff, Walther Hermann, d. 1548.
Publisher: Apud P. Schoeffer
Published: 1542
Place of publication: Venetiis
Language: lat
Number of pages: 324
Subjects: Alchemy -- Early works to 1800; Mineralogy -- Early works to 1800; Metals
Notes: On verso of last leaf: Venundantur Venetijs apud Io. Baptistam sub insignio Turris; and device with initials I.B.P.

Several errors in paging.