@misc{Osterloff_Waldemar_(1858-1925)_Ewaryst,
 author={Osterloff, Waldemar (1858-1925)},
 address={Łódź},
 howpublished={online},
 publisher={Ludwik Fiszer},
 language={pol},
 title={Ewaryst Estkowski (1820-1856)},
 type={książka},
}