Fig. 1From: Using computed tomography to recover hidden medieval fragments beneath early modern leather bindings, first resultsConrad Gessner’s five-volume Historia animalium, front covers, tooled pig-skin, raking light. University of Iowa Libraries Special Collections and Archives, x-Collection Super FOLIO QL41.G37. Photos: Emma Guerard. a: tome 1, containing vol. 1 b: tome 2, containing vols. 2–3. c: tome 3, containing vols. 4–5Back to article page