• 1 Steenbock Library
• 1 Verona Shelving Facility
• 1 WHS State Archives Preservation Facility

• 2 Videos, Slides, Films

• 1 DVDs

• 2 Gorilla
• 2 Koko (Gorilla), 1971-2018
• 1 American Sign Language
• 1 Experiments
• 1 Gorilla gorilla
• 1 Human-animal communication
• 1 Sign language

• 2 Patterson, Francine
• 1 Brennen, Bonnie
• 1 Clarke, Jill
• 1 Gorilla Foundation
• 1 Public Broadcasting Service (U.S.)
• 1 Questar Video, Inc
• 1 Schroeder, Barbet
• 1 Sheen, Martin
• 1 Visty, Robert
• 1 Visty/Brennan Productions
• 1 WNET (Television station : New York, N.Y.)

• 2 English

Limit year range