Columbia subject headings:
Asia--Description and travel--Congresses.
Travelers' writings--History and criticism--Congresses.
Harvard subject headings:
Asia--Description and travel--Congresses.
Asia--History--Congresses.
Travelers' writings--History and criticism--Congresses.
Princeton subject headings:
Asia--Description and travel--Congresses.
Travelers' writings--History and criticism--Congresses.