found: The linguist list, via WWW, May 3, 2004:language resources/search for languages/Kashubian (subgroup Lechitic; alternate names, Cashubian, Cassubian, Kaszubski; dialect names, Kashubian Proper, Slovincian)
found: Campbell, G.L. Compendium of the world's languages, 2000:v. 2, p. 1355 ("Polish is usually regarded as the sole survivor of the Lechitic subgroup of West Slavonic languages, though some authorities treat the dialect form known as Kashubian as a separate language")
found: Facts about the world's languages, 2001:p. 556 (Polish dialects include Kashubian; some scholars consider Kashubian to be a separate language, not mutually intelligible with other Polish dialects)
found: Ethnologue, via WWW, May 14, 2004(Kashubian: a language of Poland. A few thousand speakers. Alternate names: Kaszubski, Cashubian, Cassubian. Dialects: Kashubian Proper, Slovincian. Classification: Indo-European, Slavic, West, Lechitic. German influences in the language. There are transitional dialects between Kashubian Proper, Slovenian, and Polish. Few children speakers of Kashubian Proper. The Slovincian dialect is extinct)
