International standard classification of occupations :   reports pr epared for the seventh International conference of Labour statisticians . 

 - Geneva,     1949 
 - 139 p.:    tabs ;    24 cm 
 - Its studies and Reports New Series ;   No. 15 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour --Statistics------<br/>Labour --Standards------