Yearbook of labour statistics 1966 / 

 - 26th ed. 
 - Geneva :  International labour office,  1966. 
 - 769p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yearbook 
<br/><br/><label>Dewey Class. No.: </label>310  / YEA/Y