Boston Public Library

The Boston Public Library is a municipal public library system in Boston, Massachusetts, founded in 1848. The Boston Public Library is also Massachusetts' Library for the Commonwealth, meaning all adult residents of the state are entitled to borrowing and research privileges, and the library receives state funding. The Boston Public Library contains approximately 24 million items, making it the third-largest public library in the United States behind the federal Library of Congress and New York Public Library, which is also privately endowed. In 2014, the library held more than 10,000 programs, all free to the public, and lent 3.7 million materials.