Columbia subject headings:
Andes Region--Emigration and immigration.
Colombia--Emigration and immigration.
Colombians--Andes Region.
Colombians--Venezuela.
Venezuela--Emigration and immigration.
Harvard subject headings:
Princeton subject headings:
Andes Region--Emigration and immigration.
Colombia--Emigration and immigration.
Colombians--Andes Region.
Colombians--Venezuela.
Venezuela--Emigration and immigration.