International standard classification of occupations. 

 - Rev. ed. 1968. 
 - Geneva,  International Labour Office,  1969. 
<br/><br/><label>ISBN: </label> 20.00 
<br/><br/><label>LCCN: </label>71476976 //r84 
<br/><br/><label>Nat. Bib. No.: </label>Sw69-A-4829 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupations -- Classification.--Occupations -- Classification.
<br/><br/><label>LC Class. No.: </label>HB2581  / .I63 1969 
<br/><br/><label>Dewey Class. No.: </label>331.7/001/2