Serving more than 18 million patrons a year, and millions more online, 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. | Serving more than 18 million patrons a year, and millions more online, 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. |