Haarmann, Harald (2002). "Kurisch" [Curonian]. In Miloš Okuka (ed.). Wieser-Enzyklopädie des Europäischen Ostens (in German). Vol. 10. Klagenfurt/Vienna, Austria: Wieser. p. 957. ISBN3-85129-510-2. Archived from the original on 2013-10-19. Retrieved 2012-05-12.
Haarmann, Harald (2002). "Kurisch" [Curonian]. In Miloš Okuka (ed.). Wieser-Enzyklopädie des Europäischen Ostens (in German). Vol. 10. Klagenfurt/Vienna, Austria: Wieser. p. 957. ISBN3-85129-510-2. Archived from the original on 2013-10-19. Retrieved 2012-05-12.