@misc{Haecker_Emil_(1875–1934)_Historja_1933,
 author={Haecker, Emil (1875–1934)},
 copyright={Public Domain},
 address={Kraków},
 howpublished={online},
 year={1933},
 publisher={Towarzystwo Uniwersytetu Robotniczego},
 language={pol},
 type={Text},
 title={Historja socjalizmu w Galicji i na Śląsku Cieszyńskim. T. 1, 1846-1882},
 URL={http://rcin.org.pl/Content/29830/PDF/WA004_13651_U6533-1_Haecker-Historja_res_h.pdf},
 keywords={history of social movements in Poland (19 c.), history of Galicia (Poland) (19 c.), history of socialism in Poland (19 c.), history of Cieszyn Silesia (19 c.)},
}