'Proceedings of the Conference "Systematics of the Old World Monkeys" sponsored by the Wenner-Gren Foundation for Anthropological Research, held at Burg Wartenstein, Austria, July 5-14, 1969'.
Old World monkeys : evolution, systematics, and behavior by J. R. Napier. ISBN 0125138601. Published by Academic Press in 1970. Publication and catalogue information, links to buy online and reader comments.