@misc{_Secretissima,
 howpublished={online},
 language={lat},
 type={starodruk},
 title={Secretissima instructio, Gallo-Britanno-Batava, Friderico I. electo Regi Bohemiae [...] data: ex Gallico conversa, ac bono publico, in lucem evulgata},
 keywords={Szendar Basza, Fryderyk V król Czech, palatyn Renu (1596-1632), Bethlen Gabor (1580-1629), Nakazi Hassan basza},
}