@misc{Velhagen_&_Klasing._Wydawca_Velhagen_[1938], author={Velhagen & Klasing. Wydawca}, copyright={Public Domain}, address={Leipzig}, address={Bielfeld}, howpublished={online}, year={[1938]}, publisher={Velhagen & Klasing}, language={ger}, title={Velhagen & Klasings Karte der Sudetenländer}, URL={http://www.rcin.org.pl/igipz/Content/91020/PDF/WA51_94145_PTGD237-r1938_Velhagen-Klasings-Karte-der-Sudetenlander.pdf}, keywords={Czechoslovakia, Sudeten (Czechoslovakia), Austria, chorographic maps}, }