Northrup, Herbert Roof.  <br/><br/>
Restrictive labor practices in the supermarket industry /  
Herbert R. Northrup and Gordon R. Storholm, assisted by Paul A. Abodeely. 
 - Philadelphia :   University of Pennsylvania Press,   1967. 
 - 202 p. n :   ill. ;   24 cm. 
 - Industrial Research Unit study ;   44  .
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supermarkets.<br/>Grocery trade--United States.<br/>Restrictive practices in industrial relations--United States.
<br/><br/><label>Dewey Class. No.: </label>331.188  / h r