- Bonobos, left and right: primate politics heats up again as liberals and conservatives spin doctor science.: An article from: Skeptic (Altadena, CA) by Frans B.M. De Waal, 2007-09-22
- My Life with the Chimpanzees by Houghton Mifflin Company, 1992-11
- Gorilla: Primate, Herbivore, Forest, Species, Subspecies, DNA, Human Evolutionary Genetics, Human, Chimpanzee, Mountain Gorilla, Albertine Rift Montane ... Cloud Forest, Virunga Mountains, Sea Level
- Behavioural Diversity in Chimpanzees and Bonobos by Linda Marchant, 2002-09-30
- The Pygmy Chimpanzee: Evolutionary Biology and Behavior
- Chimpanzee: central nervous system and behavior: A review (Primates in medicine) by Herbert Hal Reynolds, 1969
- Urinary gonadotropins in cycling and lactating chimpanzees (Technical report series - Stanford Outdoor Primate Facility) by Ann C Forsham, 1975
- Chimpanzee: Central nervous system and behavior: a review (Primates in medicine)
- Jane Goodall: An entry from Gale's <i>Science and Its Times</i> by Brook Hall, 2001
- Nim Chimpsky: The Chimp Who Would Be Human by Elizabeth Hess, 2008-02-26
- Preference thresholds for quinine hydro-chloride in chimpanzee, monkey and rat by Harry D Patton, 1944
- Chimpanzees of Gombe: A Tribute to 40 Years With Jane Goodall by Jane Goodall, 1999-11
- On the chimpanzees and their relationship to the gorilla by Arthur Keith, 1899
- The endocranial cast of the chimpanzee by Wilfrid E. Le Gros Clark, 1936
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