為世界博覽會所施放的煙火 (攝於1940年)  

出處: Gottscho-Schleisner, Inc., photographer. "World's Fair. Fireworks IV." Circa 1939-1940. Architecture and Interior Design for 20th Century America: Photographs by Samuel Gottscho and William Schleisner, 1935-1955, American Memory collections, Library of Congress.