Harry G. Johnson on Trade Strategy & Economic Policy, 4-Volume Set

Harry G. Johnson was best known for his work on monetary theory and international economics, but he was also very active in the theory of distribution, trade strategy and development economics. These 4 books, originally published between 1967 and 1971 explore:
The relationship between nationalism and economic development
Trade policy to promote development
The use of geometrical tools in international trade theory
Issues surrounding multi-lateral free trade.