@misc{Swieżawski_Aleksander_(1924–2013)_„Dux_1994,
 author={Swieżawski, Aleksander (1924–2013)},
 volume={69},
 editor={Dorosz, Janina. Tr.},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Acta Poloniae Historica},
 howpublished={online},
 year={1994},
 publisher={Wydawnictwo Naukowe Semper},
 language={eng},
 type={Text},
 title={„Dux Regni Poloniae” and „Haeres Regni Poloniae”. The Titles of Polish Rulers in the 13th-14th Centuries},
 keywords={Poland 13th, 14th c., Middle Ages, rulers, Poland - kings and rulers},
}