Columbia subject headings:
Río de la Plata Region (Argentina and Uruguay)--Bibliography--Periodicals.
Río de la Plata Region (Argentina and Uruguay)--History--Periodicals.
Harvard subject headings:
Rio de la Plata Region (Argentina and Uruguay)--Bibliography--Periodicals.
Rio de la Plata Region (Argentina and Uruguay)--History--Periodicals.
Princeton subject headings:
Rio de la Plata region--Bibliography--Periodicals.
Rio de la Plata region--History--Periodicals.