| | Human Origins Vol.3: Louis Leakey and the East African Evidence (Perspectives on Human Evolution) by Glynn Llywelyn Isaac, Elizabeth Richards Mccown, Elizabeth R. Mccown Paperback, 592 Pages, Published 1976 by Addison Wesley Longman ISBN-13: 978-0-8053-9942-4, ISBN: 0-8053-9942-9
"Book by Isaac, Glynn Ll., McCown, Elizabeth Richards"
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