Port statistics for the foreign trade of the United Kingdom.
Dock and Harbour Authorities' Association.
London, 
1963.
Pt. 1 Imports and exports at the twenty principal ports for each division of external trade. Pt. 2 Selected commodities imported or exported at the twenty principal ports of the United Kingdom together with the ten principal countries concerned. Pt. 3 Imports and exports at individual ports for each division of external trade.