Williams, Michael. <br/><br/>
Tractors since 1889 

 - Ipswich, England :  Farming Press,  1991 
 - 128 p.  : ilus. 
<br/><br/><label>LCCN: </label>42638 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maquinaria agrícola--Historia.<br/>Tractores.
<br/><br/><label>Dewey Class. No.: </label>631.372  / W55