Provided by the Special Collections Research Center @ The Henry Madden Library - California State University Fresno in collaboration with Dr. Alexander C.T. Geppert @ Freie Universität Berlin. This database brings together the citations from two online bibliographies, "International Exhibitions, Expositions Universelles and World's Fairs, 1851-2005: A Bibliography" and the Smithsonian Libraries' "Revisiting the World's Fairs and International Expositions: A Selected Bibliography."