Plaza de Panama, Panama-California Exposition, San Diego, CA 1915 [Postcard]
Powhatan Oak, Jamestown Exposition Grounds [Postcard]
Puente Cabrillo, West Approach, Panama-California Exposition, San Diego, CA 1915 [Postcard]
Removing Firestone Gum-Dipped Tire from Automatic Curing Mold in Firestone Factory and Exhibition Building, A Century of Progress [Postcard]
San Diego of Today, Panama-California Exposition, San Diego, CA 1915 [Postcard]
Science and Education Building, Panama-California Exposition, San Diego, CA 1915 [Postcard]
Seattle World's Fair [Postcard]
Service Building, Panama-Pacific International Exposition, San Francisco 1915 [Postcard]
Seventy Years of Progress in the Railway Post Office [Postcard]
Seventy Years of Progress in the Railway Post Office, 1933 Worlds Fair [Postcard]
Sky Ride, Chicago World's Fair [Postcard]
South Side of Prado, Panama-California Exposition, San Diego, CA 1915 [Postcard]
Southern California Counties Building, Panama-California Exposition, San Diego, CA 1915 [Postcard]
Space Needle, Seattle World's Fair [Postcard]
Stately Entrances of the Great Central Courts, Gateway of East Court, The Panama-Pacific International Exposition 1915, San Francisco, CA [Postcard]
Tea Girls in Native Costumes, Chicago Worlds Fair 1933 [Postcard]
Texas State Building, Official Souvenir, World's Fair, St. Louis, 1904 [Postcard]
The 1939 New York World's Fair Souvenir [Postcard]
The A. and P. Carnival, Chicago World's Fair, 1933 [Postcard]
The AMF Monorail, New York World's Fair 1964-65 [Postcard]
The Cascades, World's Fair, St. Louis, Mo. 1904 [Postcard]
The Egyptian Pavilion, A Century of Progress [Postcard]
