Memorandum on production and trade /
League of Nations.Economic and Financial Section.
League of Nations.Economic Intelligence Service.
Geneva : League of Nations, Economic and Financial Section,
1926-
Preceded by a document prepared for the International Economic Conference, later called World Economic Conference.
Latest issue consulted: 1923 to 1928/29.
Vols. for 1925 to 1929/30-  issued by the League's Economic Intelligence Service.
Commercial products
Population
Commercial statistics
Prices
Review of world production