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European Conference on Rural Life, 1939: National Monographs drawn up by Governments Lithuania
(League of Nations, Geneva, 1939)
European Conference on Rural Life, 1939: General Technical documentation the Organisation of Technical Instruction for Agriculturists
(League of Nations, Geneva, 1939)
Raw Materials and Foodstuffs Production by Countries, 1935 and 1938
(League of Nations, Geneva, 1939)
European Conference on Rural Life, 1939: National Monographs drawn up by Governments Belgium
(League of Nations, Geneva, 1939)