Smithsonian digitized content
Smithsonian - bibliography
Chicago World’s Fair (LOC)
More on Chicago: Chicago History Museum and Chicago Architecture Center
Wikipedia
LibGuide, Otis College of Art & Design
Bard Graduate Center
Queens Museum
National Gallery of Art, DC
National Diet Library, Japan
PU database: World’s Fairs: A Global History of Expositions
PU database: Smithsonian Collections Online: World’s Fairs and Expositions: Visions of Tomorrow