@misc{Szymanowski_Oswald_Korwin_(1820–1895)_Die,
 author={Szymanowski, Oswald Korwin (1820–1895)},
 howpublished={online},
 publisher={Mueller},
 language={ger},
 type={szkice},
 title={Die Poniatowski : eine historisch-genealogische Untersuchung},
 keywords={Poniatowscy, genealogia, rody polskie, szlachta polska},
}