Bay Gerhard <br/><br/>
Average workweek as an economic indicatior 

 -  1959 
 - National Bureau of Economic Research .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Employment and  Serivce
<br/><br/><label>Dewey Class. No.: </label>X:955.73.N5, J9