• 19 Verona Shelving Facility
• 8 Steenbock Library
• 2 Science Libraries Shelving Facility

• 12 DVDs
• 8 VHS Videocassettes

• 27 Gorilla
• 10 Behavior
• 7 Pan troglodytes
• 6 Endangered species
• 5 Wildlife conservation
• 4 Chimpanzees
• 4 Human-animal communication
• 4 Koko (Gorilla), 1971-2018
• 4 Pongo pygmaeus
• 3 Animals
• 3 Apes
• 3 Ecology
• 3 Fossey, Dian
• 3 Primates
• 3 Psychology
• 2 Behavior, Animal
• 2 Bornean orangutan
• 2 Human-animal relationships
• 2 Language acquisition
• 2 Nim Chimpsky (Chimpanzee)
• 2 Primatologists
• 2 Sign language
• 2 Social behavior in animals
• 2 Washoe (Chimpanzee)

• 4 Fossey, Dian
• 3 National Geographic Television
• 3 Warner Home Video (Firm)
• 2 Canada, Ron
• 2 Galdikas, Biruté Marija Filomena
• 2 International University Consortium
• 2 Kiley, Richard
• 2 Maryland Center for Public Broadcasting
• 2 Mayor, Mireya
• 2 Moses, Cynthia
• 2 National Geographic Society (U.S.)
• 2 National Geographic Television & Film
• 2 National University Consortium for Telecommunications in Teaching (U.S.)
• 2 Patterson, Francine
• 2 Schaller, George B
• 2 Seltz, Natalie
• 2 Weaver, Sigourney, 1949-
• 1 A & E Home Video (Firm)
• 1 Abraham, F. Murray
• 1 Aikenhead, Chris
• 1 Akeley, Carl E., 1864-1926
• 1 Allen, David
• 1 Almendros, Nestor
• 1 Ames, Betsy
• 1 Apted, Michael

• 29 English
• 2 French

• 5 Virunga
• 4 Africa
• 2 Rwanda
• 2 United States
• 1 Arctic regions
• 1 British Columbia
• 1 Cameroon
• 1 Central African Republic
• 1 China
• 1 Congo (Democratic Republic)
• 1 Congo River Valley
• 1 Costa Rica
• 1 Dzanga Sangha Rain Forest (Central African Republic)
• 1 Earth (Planet)
• 1 Parc national des Virunga (Congo)
• 1 Uganda

• 6 Documentary films
• 5 Documentary television programs
• 5 Video recordings for the hearing impaired
• 4 Feature films
• 3 Biography
• 2 Films for the hearing impaired
• 2 Nonfiction films
• 2 Video recordings
• 2 Wildlife films
• 1 Biographical films
• 1 Documentary
• 1 Drama
• 1 Educational films
• 1 Educational television programs
• 1 Juvenile films
• 1 Nature films
• 1 Nature television programs
• 1 Nonfiction television programs
• 1 Science television programs
• 1 Wildlife television programs
• 1 videocassettes

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