Gras Norman Scott Brien <br/><br/>
Early english customs system    A documentary study    

 -  1918 
 - Harvard Economic Studies 18 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Customs Duty
<br/><br/><label>Dewey Class. No.: </label>X7295.3.J, E8