NYPL is the nation’s largest public library system, featuring a unique combination of 88 neighborhood branches and four scholarly research center. the Library holds more than 51 million items, from books, e-books, and DVDs to renowned research collections used by scholars from around the world. Housed in the iconic 42nd Street library and three other research centers, NYPL’s historical collections hold such treasures as Columbus’s 1493 letter announcing his discovery of the New World, George Washington’s original Farewell Address, and John Coltrane’s handwritten score of “Lover Man.”