Lydall, H.F. <br/><br/>
Trade and employment : a study 
by H.F. Lydall 
 - Geneva  International Labour Office  1975 
 - x,140p. 
<br/><br/><label>ISBN: </label>9221012409 
<br/><br/><label>Dewey Class. No.: </label>R11 In8tr