Incoming Resources
- The song of the ape, understanding the languages of chimpanzees, Andrew R. Halloran
- The cultured chimpanzee, reflections on cultural primatology, W.C. McGrew
- East of the Mountains of the Moon, chimpanzee society in the African rain forest, Michael P. Ghiglieri
- Ape language, from conditioned response to symbol, E. Sue Savage-Rumbaugh ; foreword by Herbert S. Terrace
- Our inner ape, a leading primatologist explains why we are who we are, Frans de Waal ; photographs by the author