Folio from the first German edition of Conrad Gesner's Vogelbuch Zurich: Christopher Froschauer, 1557. FIRST ISSUE IN GERMAN!!! Reference: Nissen 350. Conrad Gessner was a Renaissance polymath, a physician, philosopher, encyclopaedist, bibliographer, philologist, natural historian and illustrator. Fine 16th century folio. Fine hand colour. Condition: Some marginal surface stains. Minor age spotting. Very light corner crease. Please view the images carefully.