Kendrick John W <br/><br/>
Productivity trends in the United States 
Kendrick John W 
 -  1961 
 - National Bureau of Economic Research  general series, 71 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work Study
<br/><br/><label>Dewey Class. No.: </label>X:89P.73.N5, K1