• 4 Videos, Slides, Films

• 1 DVDs

• 2 History
• 1 Darwin, Charles, 1809-1882
• 1 Edison, Thomas A. (Thomas Alva), 1847-1931
• 1 Evolution (Biology)
• 1 Food service
• 1 Hilton, Conrad N. (Conrad Nicholson), 1887-1979
• 1 Hospitality industry
• 1 Hotelkeepers
• 1 Inventions
• 1 Inventors
• 1 Marriott, J. Willard (John Willard), 1900-1985
• 1 Naturalists
• 1 Scientists

• 2 Graves, Peter, 1926-2010
• 2 New Video Group
• 1 Abrams, Gerald W
• 1 Alexander Street Press
• 1 Cambou, Don
• 1 Campanella, Joseph
• 1 Garrison, Dave
• 1 Golway, James F
• 1 Hearst Entertainment (Firm)
• 1 History Channel (Television network)
• 1 Jaffe Productions
• 1 Jaffe, Bob
• 1 Lawrence, Shelley Ann
• 1 Morowitz, Noah
• 1 Nash, Bruce M
• 1 Raphael, Max

• 4 English

• 3 United States
• 1 England

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