The New York Public Library A privately financed library second in size only to the Library of Congress, the New York Public Library is located on Fifth Avenue between 40th and 42nd Streets.
New York Public Library, New York City On Fifth Avenue between 40th and 42nd Streets, this building houses the Reference Department, a privately financed library second in size to the Library of Congress, as well as the Central Circulation Branch, Central Children's Room and the Picture Collection.