Preston Richard A <br/><br/>
Defence of the undefended border    Planning for war in North America 1867-1939      
Preston Richard A 
 - London  McCill-Queen's University Press       1977 
 - xiv,300p  cm. 
<br/><br/><label>Standard No.: </label>45302 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>V71,94'N3<-M6, L7