Columbia subject headings:
Mongols--History--Congresses.
Nomads--Asia, Central--Congresses.
Pastoral systems--Asia, Central--Congresses.
Harvard subject headings:
Mongols--History--Congresses.
Nomads--Asia, Central--Congresses.
Pastoral systems--Asia, Central--Congresses.
Princeton subject headings:
Bolad, Aqa, 1240 or 1241-1313.
Hungary--History--1000-1699.
Mongols--Hungary.
Nomads--Eurasia--History--Religious aspects.
Polo, Marco, 1254-1323?.
Refugees--Hungary.
Religious tolerance--Eurasia--History.
Steppes--Eurasia--History.