Monthly labor review 

 - United  states Bureau of labor statistics     1959 
 - "iv , 742"  cm. 
<br/><br/><label>Standard No.: </label>154850 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X : 9m . 73 . N59, J9 . 82 (1)"