@misc{Poniatowski_Stanisław_(1884-1945)_Private,
 author={Poniatowski, Stanisław (1884-1945)},
 copyright={Copyright by Polskie Towarzystwo Ludoznawcze},
 howpublished={online},
 language={pol},
 title={Private correspondence 1902-1940. A collection of documents concerning professor Stanisław Poniatowski},
 keywords={Stanislaw Poniatowski, Stanislaw Poniatowski correspondence, Stanislaw Poniatowski documents},
}