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,
Language Spoken at Home Punjabi and Pennsylvania German, are collated into smaller groupings. Native North American languages besides Navajo are also collated, though they are reported on several geographic levels in another data set. For the 2009-2013 ACS data, detailed information was provided on over 300 languages. In addition to the number of speakers reported for each language, the count of speakers whose English speaking ability is less than "very well" is also reported. Updated information is available via the Census Bureau's American Fact-finder. Statistics on English-speaking ability and language spoken at home are used by the Justice Department in the implementation of the