スー・サベージ＝ランボー
"Perception of Personality Traits and Semantic Learning in Evolving Hominids." The Descent of Mind: Psychological Perspectives on Hominid Evolution" (pages 98–115), Oxford University Press, 1999.
"Ape Communication: Between a Rock and a Hard Place." Origins of Language: What Non-Human Primates Can Tell Us" School of American Research Press, 1999.
"Continuing Investigations into the Stone Tool-Making and Tool-Using Capabilities of Bonobo (Pan paniscus)" in Journal of Archaeological Science, 26 (pages 821-832), 1999.
"Language, Comprehension in Ape and Child" (Monographs of the Society for Research in Child Development) Sue Savage-Rumbaugh, Jeannine Murphy, Rose A. Sevcik, Karen E. Brakke, Shelly L. Williams and Duane M. Rumbaugh; University Of Chicago Press (July 1993)