@misc{Olszewski_Henryk_(1932–_)_The_1987,
 author={Olszewski, Henryk (1932– )},
 volume={56},
 editor={Smith, Phillip G. Tr.},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 address={Wrocław},
 journal={Acta Poloniae Historica},
 howpublished={online},
 year={1987},
 publisher={Zakład Narodowy im. Ossolińskich},
 language={eng},
 type={Text},
 title={The Essence and Legal Foundations of the Magnate Oligarchy in Poland},
 keywords={Poland, Early Modern Times, magnates, oligarchy, law},
}