Columbia subject headings:
Harvard subject headings:
Communism--Dominican Republic--History.
Dominican Republic--Emigration and immigration--History.
Spain--Emigration and immigration--History.
Spaniards--Dominican Republic--History.
Princeton subject headings:
Communism--Dominican Republic--History.
Dominican Republic--Emigration and immigration--History.
Spain--Emigration and immigration--History.
Spaniards--Dominican Republic--History.