Ptak, Roderich <br/><br/>
Sino-Jaoanese Maritime Trade, circa 1550  Merchants, Ports amd Networks 
Roderich Ptak 
 - Lisboa  1994  1994 
 - 30 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History -- Foreign Relations -- Japan -- Trade -- Ming