Andrew, Christopher M. Defend the realm : the authorized history of MI5 / Christopher Andrew. - 1st U.S. ed. - New York : Alfred A. Knopf, 2009. - xxiii, 1032 p. : ill. ; 25 cm. "This is a Borzoi book." Includes bibliographical references (p. [989]-1004) and index. ISBN: 9780307263636 LCCN: 2009025463 Subjects--Corporate Names: Great Britain. MI5 --History. Subjects--Topical Terms: Intelligence service--History.--Great Britain LC Class. No.: JN329.I6 / A525 2009 Dewey Class. No.: 327.1241