Columbia subject headings:
Associations, institutions, etc.--Biography--Dictionaries.
Biography--20th century--Dictionaries.
International agencies--Biography--Dictionaries.
Harvard subject headings:
Diplomats--Biography--Dictionaries.
International officials and employees--Biography--Dictionaries.
Princeton subject headings:
Directories.
International agencies--Directories.
International cooperation--Societies, etc.--Directories.
International officials and employees--Biography--Dictionaries.