This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Lithuania Minor. The language situation in Lithuania Minor German Kleinlitauen in The blue line indicates the extent of the Lithuanian language are in as described by Friedrich Kurschat in Die Grenze des littauischen Sprachgebiets geht von dessen nrdlichstem an der Ostsee gelegenen Punkt ab etwa von dem russischen Grenzorte Polangen