• 2 Steenbock Library
• 1 Verona Shelving Facility

• 1 DVDs

• 3 Behavior
• 1 Dallas Zoo
• 1 Housing
• 1 Social behavior in animals
• 1 Zoo animals

• 1 Carpenter, C. Ray (Clarence Ray), 1905-1975
• 1 Dundas, Sally
• 1 IMAX Corporation
• 1 IMAX Natural History Film Unit (Firm)
• 1 Jenkins, Rebecca, 1959-
• 1 Kerr, Barbara
• 1 Lucas, Steve
• 1 Lucerne Media
• 1 National Geographic Society (U.S.)
• 1 National Science Foundation (U.S.)
• 1 New York Zoological Society
• 1 PCR Films and Video in the Behavioral Sciences
• 1 Pennsylvania State University
• 1 Pennsylvania State University. Media Sales
• 1 Rettig, Neil
• 1 Schaller, George B
• 1 Warner Home Video (Firm)
• 1 Warren, Adrian
• 1 Wrye, John

• 3 English
• 1 French

• 2 Virunga

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