Monthly labor review . 

 - Washington  US govt. printing office .     1973 
 - various pages  cm. 
<br/><br/><label>Standard No.: </label>154901 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X : 9m . 73 . N73, L3 . 96 (6)"