Williams, Michael     frey50        <br/><br/>
Tractors since 1889 

 -  Farming Press,  1991. 
 - 128 p., [24] p. of plates. 
<br/><br/><label>ISBN: </label>0852362234 :  12.95 
<br/><br/><label>LCCN: </label>gb 91045720 
<br/><br/><label>Nat. Bib. No.: </label>
<br/><br/><label>Subjects--Index Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>629.225  
<br/><br/><label>National Agricultural Library Call No.: </label>TL233.W562