Unger Richard W <br/><br/>
Ship in the medieval economy 600-1600. 
Unger Richard W 
 - London  Croom Helm        1980 
 - 304p  cm. 
<br/><br/><label>Standard No.: </label>91182 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X425.5'K, M0