derivative work of the following images: File:Czechoslovakia_1930_linguistic_map_-_created_2008-10-30.svg licensed with Cc-by-3.0 2008-11-18T16:30:14Z...
derived from: Czechoslovakia 1930 linguistic map - created 2008-10-30 ES.svg : Rowanwindwhistler This file was derived from: Chehs1919(ru).svg : PANONIAN...
derived from: Czechoslovakia 1930 linguistic map - created 2008-10-30 ES.svg : Rowanwindwhistler This file was derived from: Chehs1919(ru).svg : PANONIAN...