@misc{Sawicki_Ludwik_(1893–1972)_Regulamin,
 author={Sawicki, Ludwik (1893–1972)},
 volume={65},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 language={pol},
 title={Regulamin muzeów Polskiego Tow. Krajoznawczego},
 type={Text},
 keywords={Polish Sightseeing Society (1906-1950), museums -- organization},
}