Columbia subject headings:
Administrative agencies--Congo (Democratic Republic)--Directories.
Associations, institutions, etc.--Congo (Democratic Republic)--Directories.
Economic development projects--Congo (Democratic Republic)--Directories.
Industries--Congo (Democratic Republic)--Directories.
Harvard subject headings:
Administrative agencies--Congo (Democratic Republic)--Directories.
Associations, institutions, etc.--Congo (Democratic Republic)--Directories.
Economic development projects--Congo (Democratic Republic)--Directories.
Industries--Congo (Democratic Republic)--Directories.
Princeton subject headings: