Columbia subject headings:
Dominicans (Dominican Republic)--Spain--Congresses.
Immigrants--Spain--Congresses.
Spain--Emigration and immigration--Congresses.
Harvard subject headings:
Dominican Republic--Emigration and immigration--Congresses.
Dominicans (Dominican Republic)--Spain--Congresses.
Princeton subject headings:
Dominican Republic--Emigration and immigration--Congresses.
Dominicans (Dominican Republic)--Spain--Congresses.