Zolling, Hermann, 1924- The general was a spy : : the truth about General Gehlen and his spy ring / [electronic resource] / Heinz Höhne & Hermann Zolling ; with an introduction by Hugh Trevor-Roper and a preface to the American edition by Andrew Tully.. — New York : : Bantam Books,, 1972.. — xxxix, 439 p. ; 18 cm.
Translation of Pullach intern.
Includes bibliographical references (p. 415-420) and index.