Columbia subject headings:
Agricultural industries--Argentina.
Agricultural laborers--Labor unions--Argentina.
Agriculture and state--Argentina.
Agriculture, Cooperative--Argentina.
Agriculture--Economic aspects--Argentina.
Farmers--Argentina--Societies, etc.
Harvard subject headings:
Agricultural industries--Argentina--History--20th century.
Agricultural industries--Argentina.
Agricultural laborers--Labor unions--Argentina.
Agriculture and state--Argentina.
Agriculture, Cooperative--Argentina--History--20th century.
Agriculture, Cooperative--Argentina.
Agriculture--Economic aspects--Argentina
Farmers--Argentina--Societies, etc.
Princeton subject headings:
Agricultural industries--Argentina.
Agricultural laborers--Labor unions--Argentina.
Agriculture and state--Argentina.
Agriculture, Cooperative--Argentina.
Agriculture--Economic aspects--Argentina.
Farmers--Argentina--Societies, etc.