Hopkins, John Abel. <br/><br/>
Farm records 

 - 3 ed. 
 - Ames :  Iowa State College,  1949 
 - 303 p. 
<br/><br/><label>LCCN: </label>16464 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Contabilidad.
<br/><br/><label>Dewey Class. No.: </label>631.16  / H65 1949