The measurement and behavior of unemployment :  a conference of the Universities-National Bureau Committee for Economic Research. 

 - Princeton, N.J. :  Princeton University Press,  1957. 
 - 605 p. ;  23 cm. 
<br/><br/> A report of the National Bureau of Economic Research, New York. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unemployed--United States--Congresses.