@misc{_Józef,
 editor={Kobylański, Józef Władysław (1893–1971). Kolekcjoner},
 copyright={Public Domain},
 howpublished={online},
 title={Józef Gieysztor},
 type={Image},
 URL={http://www.rcin.org.pl/Content/84992/WA058_90865_Gieysztor_J.pdf},
 keywords={Gieysztor, Józef (1865-1958), naturalists, academics, biologists - Poland - biography, Gieysztor, Marian (1901-1961) - family},
}