Costa, Dora L. <br/><br/>
The unequal work day : a long-term view 

 - Cambridge, Mass :  National Bureau of Economic Research,  1998 
 - 12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HOURS OF LABOR--UNITED STATES--HISTORY<br/>HOURS OF LABOR--ECONOMETRIC MODELS<br/>ECONOMICS--RESEARCH
<br/><br/><label>LC Class. No.: </label>HD5124  / C677U