@misc{Sochaniewicz_Kazimierz_(1892–1930)_Bolesław_1926,
 author={Sochaniewicz, Kazimierz (1892–1930)},
 copyright={Public Domain},
 address={Lwów},
 journal={Nasza Biblioteka (Lwów)},
 howpublished={online},
 year={1926},
 publisher={Wydawnictwo Zakładu Narod. im. Ossolińskich},
 language={pol},
 title={Bolesław Chrobry},
 URL={http://www.rcin.org.pl/iae/Content/5629/PDF/WA308_14731_B5565_BOLESLAW-CHROBRY_I.pdf},
 keywords={Bolesław I the Brave (king of Poland ; ca 967-1025), 10th-11th c. -- Poland, Congress of Gniezno (Gniezno, Poland ; 1000) -- political aspect, history of Poland, political history of Poland, Polish state -- beginnings, Polish state in early Middle Ages -- organization, rulers of Poland, christianity in Poland -- beginnings},
}