Columbia subject headings:
Agricultural geography--Germany.
Agricultural geography--Rome.
Agriculture--Germany--History.
Agriculture--Rome--History.
Germany--History--To 843.
Land settlement--Germany--History.
Land settlement--Rome--History.
Rome--History--Empire, 30 B.C.-476 A.D.
Harvard subject headings:
Agricultural geography--Germany.
Agricultural geography--Rome.
Agriculture, Ancient--Germany.
Agriculture, Ancient--Rome.
Agriculture--Germany--History
Agriculture--Rome--History.
Germany--History--To 843.
Land settlement--Germany--History.
Land settlement--Rome--History.
Rome--History--Empire, 30 B.C.-476 A.D.
Princeton subject headings:
Agricultural geography--Germany.
Agricultural geography--Rome.
Agriculture--Germany--History.
Agriculture--Rome--History.
Germany--History--To 843.
Land settlement--Germany--History.
Land settlement--Rome--History.
Rome--History--Empire, 30 B.C.-476 A.D.