Slovník Taliansko-Manadei na stazení [online]. [Cit. 2009-01-21]. Dostupné online. Archivované 2006-09-25 z originálu.
free.fr
steen.free.fr
"Other members of the North Slavic family are: Nasika (Jan Havliš), Sevorian (James Campbell), Skuodian (Pavel Iosad), several languages by the late Libor Sztemon (Slavëni, Seversk, Slavisk, Lydnevi and Mrezian), Onegian (Paweł Ciupak), Gárðnenskjína (Michał Pietrusiński), and Novegradian (a fairly recent and truly impressive work by Martin Posthumus, which also features an eleborated state)." Short grammar of the Vozgian language
