Knowing one's enemies :  intelligence assessment before the two world wars / 
edited by Ernest R. May. 
 - Princeton, N.J. :  Princeton University Press,  c1984. 
 - xiii, 561 p. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0691047170 (alk. paper) :  $29.50 9780691047171 
<br/><br/><label>LCCN: </label>84042573  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence service--History--20th century.<br/>Military intelligence--History--20th century.
<br/><br/><label>LC Class. No.: </label>UB 250  / .K58 1984 
<br/><br/><label>Dewey Class. No.: </label>327.1/2/09