• 5 Videos, Slides, Films

• 5 History
• 3 Continental drift
• 2 Trenches
• 1 Geology
• 1 Tsunamis
• 1 Volcanoes

• 4 Hicklin, William
• 2 Johnson, Kathryn (Director)
• 1 Scarrott, Rachel
• 1 Strange, Robert

• 5 English

• 5 Earth (Planet)
• 2 Pacific Area
• 1 Iceland
• 1 Krakatoa (Indonesia)
• 1 New York
• 1 New York (State)
• 1 San Andreas Fault (Calif.)

• 5 Documentary television programs

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