Columbia subject headings:
Caribbean Area--Emigration and immigration--History--19th century--Congresses.
Spain--Emigration and immigration--History--19th century--Congresses.
Spaniards--Caribbean Area--History--19th century--Congresses.
Harvard subject headings:
Canary Islands--Emigration and immigration--History--20th century--Congresses.
Caribbean Area--Emigration and immigration--Congresses.
Caribbean Area--Emigration and immigration--History--20th century--Congresses.
Immigrants--Caribbean Area--History--Congresses.
Spain--Emigration and immigration--History--20th century--Congresses.
Spain--Emigration and immigration--History--Congresses.
Spaniards--Caribbean Area--History--20th century--Congresses.
Spaniards--Caribbean Area--History--Congresses.
Princeton subject headings:
Caribbean Area--Emigration and immigration--Congresses.
Immigrants--Caribbean Area--History--Congresses.
Spain--Emigration and immigration--History--Congresses.
Spaniards--Caribbean Area--History--Congresses.