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Lehmann, Sibylle and Volckart, Oliver (2011) The political economy of agricultural protection: Sweden 1887. European Review of Economic History, 15 (1). pp. 29-59. ISSN 1361-4916
Roses, Joan R. (2015) Spanish land reform in the 1930s: economic necessity or political opportunism? Economic History working paper series , 225/2015. The London School of Economics and Political Science, London, UK.
Solar, Peter M. (2012) The triumph of cotton in Europe. In: Modern and Comparative Seminar , 31 May 2012, London School of Economics and Political Science. (Unpublished)