Knapp, Joseph Grant, 1900- <br/><br/>
The advance of American cooperative enterprise :  1920-1945 / 
by Joseph G. Knapp 
 - Ill :  Interstate Printers & Publishers : Danville,  1973 
 - 646 p. :  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>72-090890 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture, Cooperative--History--United States