Columbia subject headings:
Argentina--Emigration and immigration.
Emigration and immigration law.
Labor (International law)
Latin America--Emigration and immigration.
Harvard subject headings:
Argentina--Emigration and immigration.
Emigration and immigration law.
Labor laws and legislation, International.
Labor laws and legislation--Latin America
Latin America--Emigration and immigration.
South America--Emigration and immigration.
Princeton subject headings:
Argentina--Emigration and immigration.
Emigration and immigration law.
Labor laws and legislation, International.
Labor laws and legislation--Latin America.
Latin America--Emigration and immigration.
South America--Emigration and immigration.