Koko (1971-2018), The Highly Intelligent Gorilla Who Learned to Communicate Through Sign Language
Remembering Koko the Gorilla
When Koko the Gorilla Chatted Online | The Franklin Institute
Remembering Koko, a Gorilla We Loved | The New Yorker
Project Koko para enseñar lengua de signos a un gorila
Koko, the gorilla who mastered sign language, dies aged 46
Koko, the gorilla who learned sign language, dies at 46 | CBC Radio
Koko the Gorilla issues a warning to humanity over the dangers of climate change | The Independent | The Independent
Koko the Gorilla's Best Moments: From Sign Language to Meeting Mister Rogers - YouTube
Koko the Gorilla, Who Used Sign Language and Befriended Mr. Rogers, Dies at 46 - The New York Times
Koko The Talking Gorilla - YouTube
Koko, famed gorilla that learned sign language, dies aged 46 | Animals | The Guardian
Communication – The Gorilla Foundation
La gorila Koko me hizo llorar
Cuando Koko, la gorila que usaba el lenguaje de signos, "chateó" con más de 10.000 pe
