The ILO in the service of social progress. 

 - Geneva :    International Labor Office,    1969. 
 - vi, 209 p. :    ill. ;    21 cm. 
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>Subjects--Corporate Names: </label><br/> International Labour Organisation.
<br/><br/><label>Subjects--Topical Terms: </label><br/> Working class.