Monthly labor review . 

 - Washington  United states govt. printing office .    1969 
 - 127  cm. 
<br/><br/><label>Standard No.: </label>154844 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X : 9m .73 .N69, K9 . 92 (7)"