Bill Hough has visited over 50 countries around the world taking slides of airline and rail operations. Mr. Hough's photographs have been published in numerous publications including Passenger Train Journal, Railway Age, Railpace, Railfan & Railroad, Railway Track And Structures, Aviation Week & Space Technology, Airliners, Airways, ACAR, and World Airline Fleets News. His photos have appeared in the following books: McDonnell Douglas MD-11: A Long Beach Swansong, Electro-Motive Division's Classic Cowl Units, Silverbird: The American Airlines Story, World Airline Colours 1, North American Airline Handbook, Wreckchasing 2, Great Airliners: DC-9, Great Airliners: L-188 and Great Airliners: The Boeing 747SP. His articles include "American Influence Down Under" and "Southern California's Regional Rail Renaissance", published in Railfan & Railroad, "Passenger Trains of South Australia" published in Passenger Train Journal, "Newark International Airport: The First 70 Years", "New York International Airport-Idlewild to JFK" and "Trans Atlantic DC-4 Visits New York", published in Airliners, and "Three Times 7 = Boeing's Jet For the 21st Century" published in the WAHS Captain's Log.