Sentence:  The program was instituted in 1940 , and releases are available only from the Recording Laboratory of the Library of Congress , <WSD>Washington</WSD> 25 , D. C. A catalogue is available on request . 
Meaning of the word marked with <WSD> tags:  the capital of the United States in the District of Columbia and a tourist mecca; George Washington commissioned Charles L'Enfant to lay out the city in 1791