國會圖書館 (The Library of Congress) 正式對外開放
這是史波福得想像的國會圖書館圓頂閱覽室
出處: Horydczak, Theodor, photographer. "Library of Congress (Jefferson Building). Main Reading Room, Library of Congress." Circa 1920-1950. Washington as It Was: Photographs by Theodor Horydczak, 1923-1959, Library of Congress.