• 4 DVDs

• 2 Inventors
• 1 Accidents
• 1 Aircraft accidents
• 1 Climate and civilization
• 1 Climatic changes
• 1 Disasters
• 1 Edison, Thomas A. (Thomas Alva), 1847-1931
• 1 Elevated highways
• 1 Engineering
• 1 Floods
• 1 Franklin, Benjamin, 1706-1790
• 1 Inventions
• 1 Leather
• 1 Leather goods
• 1 Leather industry and trade
• 1 Molasses industry
• 1 Politics and government
• 1 Structural failures
• 1 Subways
• 1 Trucks

• 5 Actuality Productions
• 5 History Channel (Television network)
• 5 Nash, Bruce M
• 4 New Video Group
• 4 Raphael, Max
• 2 Alexander Street Press
• 1 Alan Ett Music Group
• 1 Bourgoujian, Lisa
• 1 Forever Blue Entertainment Group, Inc
• 1 Garrison, Dave
• 1 Greystone Communications
• 1 Hearst/ABC/NBC
• 1 Herrmann, Edward, 1943-2014
• 1 History Channel Club
• 1 Kruener, Philip
• 1 Kurtis, Bill
• 1 Lacques, Anthony
• 1 Morris, Gloria
• 1 Murdoch, Holly A
• 1 Nelson, Ron (Ron A.)
• 1 Oey, Nancy
• 1 Paddor, Scott
• 1 Thomas, Guy

• 3 United States
• 1 Amsterdam
• 1 Boston
• 1 California
• 1 Indiana
• 1 Los Angeles
• 1 Massachusetts
• 1 Netherlands
• 1 Northern Hemisphere

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