Title: Exhibition techniques
Subjects: Exhibitions, Golden Gate International Exposition (1939-1940 : San Francisco, Calif.), New York World's Fair (1939-1940), New York World's Fair (1939-1940 : New York, N.Y.), New York World's Fair (1939-1940 : New York, N.Y.) http://id.loc.gov/authorities/names/n82144169, Golden Gate International Exposition (1939-1940 : San Francisco, Calif.) http://id.loc.gov/authorities/names/n50059278