Oko. Dorothy <br/><br/>
Library Service to Labour 

 - 
 - new York  Scarecrow  1963 
 - 313 p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Dewey Class. No.: </label>027.6:331