Derrick, Peter. Tunneling to the future : the story of the great subway expansion that saved New York / Peter Derrick. - New York : New York University Press, c2001. - xii, 442 p. ; 24 cm. Includes index. Includes bibliographical references: p. 405-422. ISBN: 0814719104 (pbk.) Subjects--Topical Terms: Subways--History.--New York (State)--New York