Monthly labor reviews . 

 - United  states Labor Deptt.       1960 
 - 676  cm. 
<br/><br/><label>Standard No.: </label>154863 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X : 9m . 73 . N60, K0 .83 (1)"