Murphy, Jim. <br/><br/>
Tractors :  from yesterday's steam wagons to today's turbocharged giants / 
by Jim Murphy. 
 - New York :  Lippincott,  1984. 
 - 60 p. :  ill. 
<br/><br/>Includes bibliographical references. 
<br/><br/> Relates the history of the tractor & shows the changes in design that have resulted in the diesel-powered giants of today. 
<br/><br/><label>ISBN: </label>0397320507 :  $10.95 0397320515 (lib. bdg.) :  $10.89 
<br/><br/><label>LCCN: </label>82048777  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tractors.
<br/><br/><label>Dewey Class. No.: </label>629.2