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Keywords from Image Description:
GH Schubert primates. en Illustration of primates chimpanzee orangutan longarm gibbon and siamang by th century naturalist Schubert scanned from Leakey Slikkerveer Manape Apeman The Quest for Human's place in nature and Dubois' missing link ISBN Gotthilf Heinrich von Schubert German naturalist published posthumously PDold Illustrations