@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)},
}