Great ape language
article-link
What links here
Francine Patterson
Ronald Cohn
article-link
Animal language
article-link
List of people from Illinois
article-link
National Geographic
article-link
Koko (gorilla)
article-link
WikiHQWikiHQFrancine Patterson
article-link
article-link
article-link
article-link
article-link
article-link