Social insurance in Portugal. 

 - [s.l] :    Ministerio das corporacoes e previdencia social,    1959. 
 - 44 p. :    ill., photos ;    23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Social security -- Administration.
<br/><br/><label>Gov. Doc. Class. No.: </label>GNS 1959/4