Pusey Library

Nathan Marsh Pusey Library^[2][3] is an underground library located inside of Harvard University. It was announced in June 1971 and was named after Nathan Pusey, the president of Harvard from 1953 to 1971. The library is the world's first library to be built with a halon-gas fire-extinguishing system.^[1] The building contains the Harvard University Archives.

Nathan Marsh Pusey Library
42°22′23″N 71°6′55″W
Location	Harvard University, Cambridge, Massachusetts, United States
Established	February 1976[1]
Architect(s)	Hugh Stubbins and Associates, Inc.
Branch of	Harvard Library