Columbia subject headings:
Asia--Description and travel.
Mongols--History.
Polo, Marco, 1254-1323? Travels of Marco Polo.
Polo, Marco, 1254-1323?--Travel.
Voyages and travels.
Harvard subject headings:
Asia--Description and travel
Mongols--History
Polo, Marco, 1254-1323? Travels of Marco Polo
Polo, Marco, 1254-1323?--Travel.
Voyages and travels
Princeton subject headings:
Polo, Marco, 1254-1323? Travels of Marco Polo.