Williams, Michael,  1935 June 24- <br/><br/>
Farm tractors in colour / 
Michael Williams ; drawings by John W. Wood, Brian Hiley, W. Hobson. 
 - London :  Blandford Press,  1974. 
 - 183 p. :  ill. (chiefly col.) 
<br/><br/><label>ISBN: </label>0713706538  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm tractors--History.<br/>Farm tractors--Pictorial works.<br/>Agricultural machinery--History.