Travis, William Penfield <br/><br/>
The theory of trade and protection 
by William Penfield Travis 
 - Cambridge  Harvard University Press  1964 
 - x, 296p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial policy<br/>Free trade<br/>Protectionism
<br/><br/><label>Dewey Class. No.: </label>T3942 T698