Centre for Lusophone and European Literatures and Cultures public high quality reference works in its field of expertise and complete works of pioneer sources of Portuguese and Lusophone culture and literature, such as works by Manuel Antunes, Mário Martins, Diogo de Teive and Fernão de Oliveira. Recent large scale projects by CLEPUL include "The Complete Works of Father António Vieira" and the complete pombaline works, both demanded by international scholars for many centuries. Other relevant projects include internationally recognized scientific works and recipient of prizes, such as: "Dicionário Temático da Lusofonia" [Thematic Dictionary of Lusophony] (2005), "Jardins do Mundo" [Gardens of the World] (2008), and "Dicionário Histórico das
Proto-Indo-European language Proto-Indo-European language Proto-Indo-European (PIE) is the linguistic reconstruction of the common ancestor of the Indo-European languages, the most widely spoken language family in the world. Far more work has gone into reconstructing PIE than any other proto-language, and it is by far the best understood of all proto-languages of its age. The vast majority of linguistic work during the 19th century was devoted to the reconstruction of PIE or its daughter proto-languages (such as Proto-Germanic), and most of the modern techniques of linguistic reconstruction (such as the comparative method) were developed as a result. These methods supply all current knowledge