Columbia subject headings:
Arabia, Roman--History.
Nabataeans--History.
Rome--History--Empire, 30 B.C.-476 A.D.
Harvard subject headings:
Arabia, Roman--History.
Nabataeans--History.
Rome--History--Empire, 30 B.C.-476 A.D.
Princeton subject headings:
Arabia, Roman--History.
Nabataeans--History.