Bell, Brian. <br/><br/>
Fifty years of farm tractors 
/by Brian Bell 
 - Miller Freeman, United Kingdom  Farming Press,  1999. 
 - 250 p. :  ilus. 
<br/><br/><label>ISBN: </label>0 85236 525 X 
<br/><br/><label>LCCN: </label>85569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tractores--Historia.
<br/><br/><label>Dewey Class. No.: </label>631.372  / B45