Columbia subject headings:
Dag Hammarskjöld Library--Catalogs.
International cooperation--Bibliography--Periodicals.
United Nations--Bibliography--Periodicals.
United Nations--Bibliography.
Harvard subject headings:
Dag Hammarskjöld Library--Catalogs.
International cooperation--Bibliography--Periodicals.
United Nations--Bibliography--Periodicals.
United Nations--Bibliography.
Princeton subject headings:
Dag Hammarskjöld Library--Catalogs.
International cooperation--Bibliography--Periodicals.
United Nations--Bibliography--Catalogs.