Black, John D.  1883-1960. <br/><br/>
Economics for agriculture;  selected writings. 
Edited by James Pierce Calvin, with introductory essays. 
 - Cambridge,  Harvard University Press  [1959.] 
 - 719p.  illus.  22cm. 
 - Harvard economic studies ;  v. 111 .
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>59012965  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects
<br/><br/><label>LC Class. No.: </label>HD1411  / .B49