Columbia subject headings:
Asia, Central--Relations--Greece.
Asia, Central--Relations--Rome.
Greece--Relations--Asia, Central.
Rome--Relations--Asia, Central.
Harvard subject headings:
Asia, Central--Relations--Greece.
Asia, Central--Relations--Rome.
Greece--Relations--Asia, Central.
Rome--Relations--Asia, Central.
Princeton subject headings:
Asia, Central--Relations--Greece--History.
Asia, Central--Relations--Rome--History.
Greece--Relations--Asia, Central--History.
Nomads--Asia--History.
Nomads--Europe--History.
Rome--Relations--Asia, Central--History.