Columbia subject headings:
Costa, Rafael Arcanjo da, 1912-
Folk poetry, Brazilian--Brazil--Açu--Periodicals.
Folk poetry, Brazilian--Brazil--Rio Grande do Norte.
Popular literature--Brazil--Açu--Periodicals.
Harvard subject headings:
Costa, Rafael Arcanjo da, 1912-
Folk poetry, Brazilian--Brazil--Açu--Periodicals.
Folk poetry, Brazilian--Brazil--Rio Grande do Norte.
Popular literature--Brazil--Açu--Periodicals.
Princeton subject headings:
Costa, Rafael Arcanjo da, 1912-
Dams--Brazil--Rio Grande do Norte--Social aspects.
Projeto Baixo-Açu.
Rio Grande do Norte (Brazil)--Social conditions.