@misc{Nawrocki_Benedykt_Nauka_1939,
 author={Nawrocki, Benedykt},
 copyright={Public Domain},
 journal={Wydawnictwo "Ligi Pracy"},
 address={Warszawa},
 howpublished={online},
 year={1939},
 publisher={"Liga Pracy"},
 language={pol},
 type={Text},
 title={Nauka rzemiosła},
 URL={http://www.rcin.org.pl/Content/34138/PDF/WA004_31646_U33622_Nawrocki-Nauka-rzemi.pdf},
 keywords={handicraft in Poland (1918-1939)},
}