Hagen, Louis Edmund, 1916- The secret war for Europe; a dossier of espionage [by] Louis Hagen. With a foreword by Sir Kenneth Strong. - New York, Stein and Day [1969, c1968] - 287 p. 22 cm. LCCN: 69015907 Subjects--Topical Terms: Espionage. LC Class. No.: UB270 / .H24 1969 Dewey Class. No.: 327/.12