@misc{Fryderyk_król_Czech_Palatyn_Renu_Declaratio,
 author={Fryderyk król Czech Palatyn Renu},
 howpublished={online},
 language={lat},
 type={starodruk},
 title={Declaratio publica, cur Regni Bohemiae annexarumq; provinciarum regimen in se susceperit},
 keywords={Czechy 17w.},
}