Encyclopedia of american steam traction engines 

 - 3 ed. 
 - Sarasota, Fla. :  Crestline,  1984 
 - 320 p.  : ilus. 
<br/><br/><label>LCCN: </label>41194 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maquinaria agrícola--Historia.<br/>Tractores.
<br/><br/><label>Dewey Class. No.: </label>631.3  / E5 1984