Black, John D. <br/><br/>
Economics for agriculture :  selected writings / 
John D. Black 
 - Cambridge :  Harvard University Press ,  1959 
 - xi, 719p. :  ill. ;  22 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Economic aspects
<br/><br/><label>Dewey Class. No.: </label>630  / BLA