Yi-tung, Wang  1914- <br/><br/>
Official relations between China and Japan 1368-1549 / 
by Wang Yi-T'ung 
 - Cambridge :  Harvard University Press,  c1953 
 - xi, 128 p. ;  26 cm. 
 - Harvard-Yenching Institute studies ;  .9 .
<br/><br/> Includes index 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>China--Foreign relations--Japan<br/>Japan--Foreign relations--China