Columbia subject headings:
Brazil--Imprints--Periodicals.
Brazilian newspapers--Bibliography--Periodicals.
Brazilian periodicals--Bibliography--Periodicals.
Press--Brazil--Periodicals.
Harvard subject headings:
Brazilian newspapers--Bibliography--Periodicals.
Brazilian periodicals--Bibliography--Periodicals.
Press--Brazil--Periodicals.
Printing--Brazil--Periodicals.
Princeton subject headings:
Brazilian newspapers--Bibliography--Periodicals.
Brazilian periodicals--Bibliography--Periodicals.
Periodicals.
Press--Brazil--Periodicals.
Printing--Brazil--History--Periodicals.