Columbia subject headings:
Languages in contact--Portugal--Barrancos--Congresses.
Portuguese language--Dialects--Portugal--Barrancos--Congresses.
Romance languages--Congresses.
Harvard subject headings:
Princeton subject headings:
Languages in contact--Portugal--Barrancos--Congresses.
Portuguese language--Dialects--Portugal--Barrancos--Congresses.
Romance languages--Congresses.