Columbia subject headings:
Caribbean Area--Emigration and immigration--Congresses.
Social classes--Caribbean Area--Congresses.
Social status--Caribbean Area--Congresses.
Harvard subject headings:
Caribbean Area--Emigration and immigration--Congresses.
Social classes--Caribbean Area--Congresses.
Social status--Caribbean Area--Congresses.
Social status--Congresses.
Princeton subject headings:
Caribbean Area--Emigration and immigration--Congresses.
Social classes--Caribbean area--Congresses.
Social status--Congresses.