^Habijanec, Siniša (2020). "Pannonian Rusyn". In Greenberg, Marc; Grenoble, Lenore (eds.). Brill Encyclopedia of Slavic Languages and Linguistics. Brill Publishers. doi:10.1163/2589-6229_ESLO_COM_031961. ISSN2589-6229. Retrieved 1 April 2024. The third theory defines Pannonian Rusyn as a West Slavic language originating in the East Slovak Zemplín and Šariš dialects and being a mixture of the two. It fits the linguistic data in the most consistent manner and has been accepted by an overwhelming majority of scholars in the field (Bidwell 1966; Švagrovský 1984; Witkowski 1984; Lunt 1998; Čarskij 2011) and verified by several comprehensive analyses of Pannonian Rusyn language data (Bidwell 1966; Lunt 1998; Čarskij 2011).
^Pisarek, Walery (2009). The relationship between official and minority languages in Poland(PDF). 7th Annual Conference: The Relationship between Official Languages and Regional and Minority Languages in Europe. Dublin, Ireland: European Federation of National Institutions for Language. p. 18. Archived from the original(PDF) on 14 December 2019. Retrieved 28 November 2019.
^"Hungary needs to strengthen use of and access to minority languages". Strasbourg, France: Council of Europe. 14 December 2016. Retrieved 29 June 2020. The following languages have been given special protection under the European Charter [in Hungary]: Armenian, Beas, Bulgarian, Croatian, German, Greek, Polish, Romani, Romanian, Ruthenian, Serbian, Slovak, Slovenian and Ukrainian.