Columbia subject headings:
Addis Ababa (Ethiopia)--Commerce--Directories.
Business enterprises--Ethiopia--Addis Ababa--Directories.
Business enterprises--Ethiopia--Directories.
Ethiopia--Commerce--Directories.
Harvard subject headings:
Addis Ababa (Ethiopia)--Commerce--Directories.
Business enterprises--Ethiopia--Addis Ababa--Directories.
Industries--Ethiopia--Addis Ababa--Directories.
Princeton subject headings: