Employment and Earnings 

 - Washington, D.C. :  United States Department of Labor,  1979 
 - Various pagings ;  30 cm. 
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Employment (Economic theory<br/>Income
<br/><br/><label>Dewey Class. No.: </label>331.125