Columbia subject headings:
Basques--Cuba--History.
Cuba--Emigration and immigration.
País Vasco (Spain)--Emigration and immigration.
Harvard subject headings:
Basques--Cuba--History.
Cuba--Emigration and immigration.
País Vasco (Spain)--Emigration and immigration.
Princeton subject headings:
Basques--Cuba--History.
Cuba--Emigration and immigration.
País Vasco (Spain)--Emigration and immigration.