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