Columbia subject headings:
America--Emigration and immigration--History.
Extremadura (Spain)--Emigration and immigration--History.
Extremadura (Spain)--History.
Extremadura (Spain)--Relations--Latin America.
Latin America--Relations--Spain--Extremadura.
Spaniards--America--History.
Harvard subject headings:
America--Emigration and immigration--History.
Extremadura (Spain)--Emigration and immigration--History.
Extremadura (Spain)--History.
Extremadura (Spain)--Relations--Latin America.
Extremadurans--America--History.
Immigrants--Latin America--History
Latin America--Relations--Spain--Extremadura.
Spaniards--America--History.
Spaniards--Latin America--History
Princeton subject headings:
Extremadura (Spain)--History.
Extremadura (Spain)--Relations--Latin America.
Latin America--Relations--Spain--Extremadura.
Spaniards--America--History.