Columbia subject headings:
Harvard subject headings:
Agriculture--Southeast Asia--History--Congresses.
Metallurgy--Southeast Asia--History--Congresses.
Southeast Asia--Antiquities--Congresses.
Southeast Asia--Politics and government--Congresses.
Princeton subject headings:
Agriculture--Asia, Southeastern--History--Congresses.
Metallurgy--Asia, Southeastern--History--Congresses.
Southeast Asia--Antiquities--Congresses.
Southeast Asia--Politics and government--Congresses.