Chimp Talk Debate: Is it Really Language?
- Article by George Johnson in the New York Times in which he outlines varying views on ape communication.
- http://www.santafe.edu/~johnson/articles.chimp.html

Language in Apes: How Much Do They Know and How Much Should We Teach Them
- An overview written by Dave Switzer that features a summaries of multiple research projects. Also offers primate glossary.
- http://www.davidmswitzer.com/apelang.html

Are Nonhuman Species Capable of Language Acquisition?
- A discussion of the value and validity of ape language research.
- http://www.littletree.com.au/koko.htm

The Straight Dope: Are Gorillas Using Sign Language Really Communicating with Humans?
- Cecil Adams' research column on the divided scientific opinions about apes and language.
- http://www.straightdope.com/columns/030328.html

Primate Use of Language
- Lauren Kosseff suggests the acquisition of some aspects of language in primates may shed light on the development of language in early humans.
- http://www.pigeon.psy.tufts.edu/psych26/language.htm

Primate Language
- Sue and Duane Rumbaugh argue the documentation of elementary language competence in species other than humans has significant implications for the understanding of the brain. Article includes a history of ape sign language research.
- http://cognet.mit.edu/MITECS/Articles/savagerumbaugh.html

The Case Against the Animal Mind
- A article by Clive Wynne that argues evidence from the ape sign language studies demonstrates that our closest animal relatives do not have consciousness.
- http://www.findarticles.com/cf_0/m1175/6_32/56883557/print.jhtml

Primate Research Institute: Section of Language and Intelligence
- Chimpanzee language research projects at Kyoto University. News, pictures and biographies of chimpanzee subjects as well as researchers.
- http://www.pri.kyoto-u.ac.jp/koudou-shinkei/shikou/index.html

Language in Child and Chimp?
- General commentary on ape language with transcripts of chats with apes and interviews with ape language researchers.
- http://pubpages.unh.edu/~jel/apelang.html

Koko the Gorilla
- The Gorilla Foundation brings interspecies communication to the public through Koko, famous for her sign language skills.
- http://www.koko.org/

The Chimpanzee and Human Communication Institute
- This institute at Central Washington University cares for five chimpanzees who are being taught American Sign Language.
- http://www.cwu.edu/~cwuchci/

The Primatech Project
- A cognitive model of Chantek, a signing orangutan, for an installation at Zoo Atlanta.
- http://www.cc.gatech.edu/gvu/perception/projects/primatech/

Language Research Center
- Primate research center studying language acquisition through work with bonobos and chimpanzees. Features a list of publications and ape biographies.
- http://www.gsu.edu/~wwwlrc/