Columbia subject headings:
Authorship--Style manuals.
Diplomatic documents--Handbooks, manuals, etc.
United Nations--Handbooks, manuals, etc.
United Nations--Records and correspondence--Handbooks, manuals, etc.
Harvard subject headings:
Authorship--Style manuals
Diplomatic documents--Handbooks, manuals, etc.
United Nations--Handbooks, manuals, etc.
United Nations--Records and correspondence--Handbooks, manuals, etc.
Princeton subject headings:
Diplomatic documents.
United Nations--Records and correspondence.