@misc{Siemieński_Józef_(1882-1941)_Rozwój,
 author={Siemieński, Józef (1882-1941)},
 howpublished={online},
 language={Polish},
 title={Rozwój konstytucyjny Polski},
 type={book},
 keywords={constitutional law, legal history, Constitution of Poland (1791), Constitution of Poland (1921)},
}