Columbia subject headings:
Harvard subject headings:
Asia--Civilization--Foreign influences.
Asia--Discovery and exploration--History--To 1500.
Asia--Relations--Europe--History--To 1500.
Discoveries in geography--History--To 1500.
East and West--History--To 1500.
Europe--Civilization--Oriental influences.
Europe--Discovery and exploration--History--To 1500.
Europe--Relations--Asia--History--To 1500.
Travel, Medieval
Princeton subject headings:
Asia--Civilization--Foreign influences.
Asia--Discovery and exploration--History--To 1500.
Asia--Relations--Europe--History--To 1500.
Discoveries in geography--History--To 1500.
East and West--History--To 1500.
Europe--Civilization--Oriental influences.
Europe--Discovery and exploration--History--To 1500.
Europe--Relations--Asia--History--To 1500.
Travel, Medieval.