@misc{_1831-1931_[ca, address={[s.l.]}, howpublished={online}, year={[ca 1931]}, publisher={[s.n.]}, language={ger}, type={pocztówka}, title={1831-1931}, keywords={Karty pocztowe, Karty pocztowe -- 1900-1945, Stephan, Heinrich (1831-1897)}, }