Monthly labor review . 

 - Washington  U.S govt. printing office      1973 
 - various pages  cm. 
<br/><br/><label>Standard No.: </label>155085 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X : 9m . 73 . N73, L3 . 96"