@misc{Baumgarten_Leon_(1902–1971)_Pierwsze_1968,
 author={Baumgarten, Leon (1902–1971)},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Kwartalnik Historyczny},
 howpublished={online},
 year={1968},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Pierwsze polskie kółka socjalistyczne a kwestia narodowa},
 keywords={socialism - Poland - 19th c.},
}