Occupational outlook handbook. 

 - 1970-71 ed. 
 - Washington, D. C. :   Department of Labor,   1971. 
 - xiv, 859 p. :  ill. ;  26 cm. 
<br/><br/>11  11 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor by industry and occupation.
<br/><br/><label>Dewey Class. No.: </label>331.7 / U3o