Originally published in Gesner's 'Historia animalium'. Zurich: Froschauer, 1551-1563.
Curious woodcuts of fanciful and real beasts : a selection of 190 sixteenth-century woodcuts from Gesner's and Topsell's natural histories. ISBN 0486227014. Published by Dover Publications in 1971. Publication and catalogue information, links to buy online and reader comments.