NISSEN, Claus. Die Botanische Buchillustration, Stuttgart: Anton Hiersemann, 1951, 2 volumes in one, 4°, original cloth (spine slightly browned, inner hinges weak), original wrappers bound in at end; Die Zoologische Buchillustration, Stuttgart: Anton Hiersemann, 1969, 2 volumes, 4°, volume one original cloth, dust-jacket, volume 2 in 8 original parts, unbound as issued, in original portfolio. (3)