Manpower statistics. 1950-60 

 - OECD Statistical Bulletins .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Relation Management - Europe
<br/><br/><label>Dewey Class. No.: </label>X:9.5.N6s, K1