Columbia subject headings:
European Economic Community countries--Commerce--Spain.
Food industry and trade--Spain.
Spain--Commerce--European Economic Community countries.
Tariff on farm produce--Spain.
Harvard subject headings:
European Economic Community countries--Commerce--Spain.
Food industry and trade--Spain.
Spain--Commerce--European Economic Community countries.
Tariff on farm produce--Spain.
Princeton subject headings:
European Economic Community countries--Commerce--Spain.
Food industry and trade--Spain.
Spain--Commerce--European Economic Community countries.
Tariff on farm produce--Spain.