Columbia subject headings:
Canada--Foreign relations--1945-
Diplomats--Canada--Biography.
Norman, E. Herbert, 1909-1957.
Harvard subject headings:
Canada--Foreign relations--1945-
Diplomats--Canada--Biography
Espionage--Canada.
Norman, E. Herbert, 1909-1957.
Princeton subject headings:
Canada--Foreign relations--1945-
Diplomats--Canada--Biography.
Norman, E. Herbert, 1909-1957.