Sudan.
Great Britain.Board of Trade.
Great Britain.Department of Trade and Industry.
British Overseas Trade Board.
London : Board of Trade,
1957-
Description based on: 1957. -- Cover title.
Issued by: 1957-1970 Board of Trade ; 1971-1972 Dept. of Trade and Industry ; 1973- British Overseas Trade Board ; - Dept. of Trade and Industry.
Export marketing
French West Africa and French Togo