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Portugal, Africa, Europa
Silva, Bernardo Paulo Guedes da, (1985)
The political and economic relations between Europe and Latin America in view of the southern enlargement of the European Community due to the entry of Spain and Portugal
Ehrke, M., (1983)
1834-42, a Inglaterra perante a evolução politica portuguesa (hipóteses para a revisão de versões correntes)
Bonifácio, M. Fátima, (1984)