Columbia subject headings:
British Commonwealth Relations Conference (4th : 1949 : Bigwin Island, Ont.)
Colonies--Congresses.
Imperial federation.
Harvard subject headings:
British Commonwealth Relations Conference (4th : 1949 : Bigwin Island, Ont.)
Commonwealth countries--Congresses.
Princeton subject headings:
British Commonwealth Relations Conference (4th : 1949 : Bigwin Island, Ont.)