The Occurrence of imposex in the Gastropod nucella lapillus at sities in Spain and Portugal / Junkal Peña ... [et al.]

Portugal and Galicia : with a review of the social and political state of the Basque Provinces / by the Earl of Carnarvon

London : John Murray , 1848

A history of Spain and Portugal : in two volumes / Stanley G. Payne

Madison : The University of Wisconsin Press , [1976]

Portugal and Gallicia : with a review of the social and political state of the Basque provinces and a few remarks on recent events in Spain : in two volumes

London : John Murray , 1836