Maintenance of the rights in course of acquisition and the acquired rights of migrant workers under invalidity, old-age and widow's and orp han's insurance :    fourth item on the agenda. 

 - Geneva :    International Labour Office,    1934. 
 - viii, 224 p. ;    24 cm. 
<br/><br/>  At head of title: Report IV. First discussion. International labour conference. Eighteenth session, Geneva, 1934. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Labor laws and legislation, International.<br/> Aliens.<br/> Social security.<br/> Migrant labor.