Columbia subject headings:
Hammarskjöld, Dag, 1905-1961.
Human security.
Political ethics.
United Nations--Biography.
United Nations--History.
World politics--1955-1965.
Harvard subject headings:
Hammarskjöld, Dag, 1905-1961
Human security.
Political ethics.
United Nations--Biography.
United Nations--History.
World politics--1955-1965
Princeton subject headings:
Hammarskjöld, Dag, 1905-1961.
Human security.
Political ethics.
United Nations--Biography.
United Nations--History.
World politics--1955-1965.