Johnson, Chalmers A. <br/><br/>
An Instance of treason :  Ozaki Hotsumi and the sorge spy ring / 
Chalmers Johnson. 
 - Expanded ed. 
 - Stanford, California :  Stanford University Press,  1990. 
 - 324 p., 8 p. of plates :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 299-313) and index. 
<br/><br/><label>ISBN: </label>0804717664 
<br/><br/><label>Subjects--Personal Names: </label><br/>Sorge, Richard, 1895-1944. <br/>Ozaki, Hotsumi.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Espionage, Soviet--Japan.<br/>Trials (Espionage)--Japan.