Columbia subject headings:
Brazilian newspapers--Brazil--Rio Grande do Norte--History--Dictionaries--Portuguese.
Press--Brazil--Rio Grande do Norte--Dictionaries--Portuguese.
Harvard subject headings:
Brazilian periodicals--Brazil--Rio Grande do Norte--Bibliography.
Brazilian periodicals--Brazil--Rio Grande do Norte--History.
Princeton subject headings:
Brazilian imprints--History--20th century--Dictionaries.
Periodicals--Publishing--Brazil--Rio Grande do Norte--History--20th century--Dictionaries.
Publishers and publishing--Brazil--Rio Grande do Norte--History--20th century--Dictionaries.
Rio Grande do Norte (Brazil)--Imprints--History--20th century--Dictionaries.