Long-Term Studies of the Chimpanzees of Gombe National Park, Tanzania

Deus Cyprian Mjungu, Dynamics of intergroup competition in two neighboring chimpanzee communities ,(2010)

Hedwige Boesch-Achermann, Christophe Boesch, The Chimpanzees of the Tai Forest : Behavioural Ecology and Evolution ,(2000)

Christophe Boesch, Jack W. Bradbury, Richard Connor, Christine Drea, Anne Engh, Laurence Frank, Karen I. Hallberg, Stephanie Jaffee, Hans Kummer, Tetsuro Matsuzawa, W.C. McGrew, Sarah L. Mesnick, Toshisada Nishida, Charles L. Nunn, Eduardo B. Ottoni, Lisa A. Parr, Katherine B. Payne, Susan Perry, Ronald Schusterman, Robert Seyfarth, Jan A.R.A.M. van Hooff, Carel van Schaik, Bernhard Voelkl, Sofia Wahaj, Randall S. Wells, Meredith West, Hal Whitehead, Gerald S. Wilkinson, Harald Yurk, Klaus Zuberbuehler, Animal Social Complexity Harvard University Press. ,(2013) , 10.4159/HARVARD.9780674419131

Peter M Kappeler, None, Primate males : causes and consequences of variation in group composition Cambridge University Press. ,(2000)

Timothy W. Ransom, Beach Troop of the Gombe ,(1981)

Fransiscus Xaverius Plooij, The Behavioral Development of Free-Living Chimpanzee Babies and Infants: ,(1984)

Jane Goodall, In the Shadow of Man ,(1971)

ME Morbeck, A Galloway, D Richman Sumner, None, Getting Old at Gombe: Skeletal Aging in Wild-Ranging Chimpanzees Karger Publishers. ,vol. 31, pp. 48- 62 ,(2002) , 10.1159/000061458

Craig Packer, Marc Tatar, Anthony Collins, Reproductive cessation in female mammals Nature. ,vol. 392, pp. 807- 811 ,(1998) , 10.1038/33910

Wolfgang Köhler, The Mentality of Apes ,(1959)