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WikiPedia: Tiếng_Rusyn http://vdb.czso.cz/sldbvo/#!stranka=podle-tematu&t... http://www.dzs.hr/default_e.htm http://languagecharter.eokik.hu/sites/StatesPartie... http://www.nepszamlalas2001.hu/eng/volumes/24/tabl... http://glottolog.org/resource/languoid/id/rusy1239 http://www.sil.org/iso639-3/documentation.asp?id=r... //www.worldcat.org/oclc/22065508 http://lemkowski.revitalization.al.uw.edu.pl/?sem=... http://mniejszosci.narodowe.mac.gov.pl/download/86... http://www.stat.gov.pl/cps/rde/xbcr/gus/PUBL_lu_np...