• 2 DVDs

• 2 Ni-Vanuatu
• 2 Social life and customs
• 2 Volcanoes
• 2 Volcanology
• 1 Cultural property
• 1 Ecology
• 1 Paleontology

• 2 BBC Worldwide Ltd.
• 2 British Broadcasting Corporation
• 2 Dyas, Matthew
• 2 Humble, Kate
• 2 Meadows, Lucy
• 1 De Lancey, John, approximately 1741-1829
• 1 Encyclopaedia Britannica, Inc.
• 1 Finley-Holiday Film Corporation
• 1 Grabowska, John
• 1 Ianzelo, Tony
• 1 Image Entertainment (Firm)
• 1 Lay, Tim
• 1 Leonard, Melinda
• 1 Low, Colin
• 1 National Film Board of Canada
• 1 Rafferty, John P.
• 1 United States. National Park Service
• 1 Yellowstone Association

• 5 English

• 2 Vanuatu
• 1 Arizona
• 1 Canada
• 1 Grand Canyon
• 1 Grand Canyon (Ariz.)
• 1 Yellowstone National Park

• 2 Documentary films
• 2 Documentary television programs
• 1 Educational films
• 1 Nature films
• 1 Nonfiction films
• 1 Science films
• 1 Short films
• 1 Video recordings for the hearing impaired

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