Columbia subject headings:
Basques--Latin America--History.
Basques--North America--History.
Latin America--Emigration and immigration.
North America--Emigration and immigration.
País Vasco (Spain)--Emigration and immigration.
Harvard subject headings:
America--Emigration and immigration--History.
America--Relations--Spain--País Vasco.
Basques--America--History.
Basques--Latin America--History.
Basques--North America--History.
Immigrants--America--History.
Latin America--Emigration and immigration.
North America--Emigration and immigration.
País Vasco (Spain)--Emigration and immigration--History.
País Vasco (Spain)--Emigration and immigration.
País Vasco (Spain)--Relations--America.
Princeton subject headings:
Basques--Latin America--History.
Basques--North America--History.
Latin America--Emigration and immigration.
North America--Emigration and immigration.
País Vasco (Spain)--Emigration and immigration.