Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Rome.
Cato, Marcus Porcius, 234 B.C.-149 B.C. De agri cultura.
Columella, Lucius Junius Moderatus. De re rustica.
Farms--Rome.
Mommsen, Theodor, 1817-1903
Niebuhr, Barthold Georg, 1776-1831
Princeton subject headings:
Agriculture--Rome--Historiography.
Agriculture--Rome.
Cato, Marcus Porcius, 234 B.C.-149 B.C. De agri cultura.
Columella, Lucius Junius Moderatus. De re rustica.
Mommsen, Theodor, 1817-1903.
Niebuhr, Barthold Georg, 1776-1831.