Columbia subject headings:
Agricultural laborers--Brazil--Periodicals.
Agriculture and state--Brazil--Periodicals.
Land tenure--Brazil--Periodicals.
Peasants--Brazil--Periodicals.
Rural poor--Brazil--Periodicals.
Harvard subject headings:
Agricultural laborers--Brazil--Periodicals.
Agriculture and state--Brazil--Periodicals.
Land tenure--Brazil--Periodicals.
Peasants--Brazil--Periodicals.
Rural poor--Brazil--Periodicals.
Princeton subject headings: