• 3 Videos, Slides, Films

• 1 Adaptation (Biology)
• 1 Chimpanzees
• 1 Ecology
• 1 Gorilla
• 1 Gorilla gorilla
• 1 Imitation
• 1 Pan troglodytes
• 1 Primates

• 1 Carpenter, C. Ray (Clarence Ray), 1905-1975
• 1 Georgia State University. College of Arts and Sciences
• 1 Hayes, Catherine
• 1 Hayes, Keith J
• 1 Insight Media (Firm)
• 1 Lee, Robert, 1925-
• 1 National Science Foundation (U.S.)
• 1 New York Zoological Society
• 1 PCR Films and Video in the Behavioral Sciences
• 1 Pennsylvania State College. Psychological Cinema Register
• 1 Pennsylvania State University
• 1 Riesen, Austin H. (Austin Herbert)
• 1 Rumbaugh, Duane M., 1929-
• 1 Schaller, George B
• 1 Yerkes Laboratories of Primate Biology
• 1 Zoological Society of San Diego

• 3 English

• 1 Virunga

• 2 Documentary films
• 1 Educational films
• 1 Science films

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