• 1 College Library

• 3 Videos, Slides, Films

• 1 Animal ecology
• 1 Development
• 1 Fetuses
• 1 National parks and reserves
• 1 Pregnancy in animals
• 1 Ultrasonic imaging
• 1 Waterfalls

• 3 Warner Home Video (Firm)
• 2 National Geographic Channel (Television station : Washington, D.C.)
• 1 Abbas, Yavar
• 1 Armstrong, Brian
• 1 Channel Four (Great Britain)
• 1 Fox Television Studios
• 1 National Geographic Society (U.S.)
• 1 Pioneer Productions
• 1 Seymone, Robert Wilson

• 1 Antarctica
• 1 Idaho
• 1 Montana
• 1 Wyoming
• 1 Yellowstone National Park

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