Productivity trends in the United States 
John W. Kendrick.  
 - New York  Arno Press  1975.  
 -  ?cm. 
<br/><br/> Reprint of the ed. published by Princeton University Press, Princeton, N.J., which was issued as no. 71 of the National Bureau of Economic Research general series.  
<br/><br/><label>ISBN: </label>0405075723 9780405075728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor productivity, United States.
<br/><br/><label>LC Class. No.: </label>HC110.L3