Copyright of the map: Jost Gippert, Frankfurt a/M, 1993-2003.
A previous version of the map was published in printed form in H. Glück (ed.), Metzler Lexikon Sprache, Stuttgart / Weimar: Metzler 1993 and later editions, and in Georgi Andreevič Klimov, Einführung in die kaukasische Sprachwissenschaft ("Introduction to Caucasian linguistics"), German version by Jost Gippert, Hamburg: Buske 1994, p. 403.

Further maps on the languages of the Caucasus:
• A. Dirr, Karte der kürinischen Sprachgruppe, 1909