Columbia subject headings:
Canada--Foreign relations--1945---Congresses.
Canada--Foreign relations--China--Congresses.
China--Foreign relations--Canada--Congresses.
Harvard subject headings:
Canada--Foreign relations--China.
China--Foreign relations--Canada.
Princeton subject headings:
Canada--Foreign relations--1945---Congresses.
Canada--Foreign relations--China--Congresses.
China--Foreign relations--Canada--Congresses.