Richard Covington, "Rescuing Angkor: An Unprecedented Effort to Reclaim the Ancient Temples from the Cambodian Jungle is Racing Against A Tourist Onslaught," Smithsonian (February 2004).

John F. Ross, "Marco Polo's Guide to Afghanistan: Two Americans Retrace the Steps of the 13th-Century Italian Merchant Through A Harsh Land of Tough, Hospitable People," Smithsonian (January 2002).

M.Chahin, "Ararat: The Ancient Kingdom Of Armenia," History Today, 25 (June 1975).