Centre for Lusophone and European Literatures and Cultures Eça de Queirós and Father António Vieira, among other great Lusophone authors, through the publishing of previously unavailable sources and reference works, including complete works of the great figures from the History of Portuguese culture. The interchange of knowledge between Lusophone and European cultures has also been expanded, giving rise to interartistic studies (coordinated by Annabela Rita), to the imaginary of cultural studies (coordinated by José Eduardo Franco), to the studies on interculturality of the iberian world and the Slavonic world (coordinated by Béata Cieszynska), to the studies on the didactics of literature, the work in oral and traditional literatures,
European Union three "procedural languages" : English, French, and German. Similarly, the European Court of Justice uses French as the working language, while the European Central Bank conducts its business primarily in English. Even though language policy is the responsibility of member states, EU institutions promote multilingualism among its citizens. English is the most widely spoken language in the EU, being understood by 51% of the EU population when counting both native and non-native speakers. German is the most widely spoken mother tongue (spoken by 16% of the EU population.) More than a half (56%) of EU citizens is able to engage