Bonobo (Pygmy Chimpanzee): Pan paniscus fact sheet.
Bonobo Sex and Society: The behavior of a close relative challenges assumptions about male supremacy in human evolution. Article by Frans B. M. de Waal.
Bonobo Sex and Society: An article on the sexual behavior of Bonobos and the effect this has on ordering Bonobo society.
Bonobo Society: Amicable, Amorous and Run by Females: An overview of the social structure of the Bonobo.
Bonobo: The Forgotten Ape: Review by Danny Yee.
Bonobo: The Forgotten Ape: Review of the recent book by Frans de Waal.
Bonobos: The Left-Bank Chimpanzees: Conservation, zoo, and species information.
Comparison of Some Similar Chimpanzee and Human Behaviors: Essay about symbolic communication, medicinal plant usage, and Bonobo peace keeping.
Pygmy Chimpanzee (Bonobo): Detailed fact sheet, including vocal and gestural communication, behavior and morphology, with references. Includes images.
WWF - Bonobos: Biology and conservation of Pan paniscus.