Llewellyn, Claire <br/><br/>
Mighty Machines Tractor. 

 - New York, NY :  DK Publishing,  1995. 
<br/><br/><label>ISBN: </label>1-56458-515-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tractors--Juv. Lit.<br/>Agricultural machinery--Juv. Lit.