@misc{Sawicki_Ludwik_(1893–1972)_A.,
 author={Sawicki, Ludwik (1893–1972)},
 volume={63},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 language={pol},
 type={Text},
 title={A. Bardach : Karol Marks},
 URL={http://www.rcin.org.pl/iae/Content/77592/PDF/WA308_%2091830_A-TA-LS-63-4_A-Bardach-Karol-Mark_I.pdf},
 keywords={Marx, Karl (1818-1883 ; philosopher, economist), socialism},
}