@misc{Poniatowski_Stanisław_(1884-1945)_Ameryka,
 author={Poniatowski, Stanisław (1884-1945) and https://viaf.org/viaf/56736113/},
 howpublished={online},
 language={pol},
 type={text},
 title={Ameryka Północna},
 keywords={United States of America, ethnicity, North America, immigration, Enrich Europeana Plus},
}