@misc{Gustaw_1594-1632)_Literæ,
 author={Gustaw 1594-1632)},
 howpublished={online},
 publisher={[S. l.]},
 publisher={[s. n.]},
 language={lat},
 type={stary druk},
 title={Literæ Serenißimæ Regiæ Majestatis Sveciæ ad Illustrissimum Principem, Dn. Christophorum Radzivilium, M.D. Lithvaniæ Campiducem. nec non DD. Senatorum Regni Sveciæ ad Dns. Senatores Regni Poloniae & M. Ducatus Lithuaniæ.},
}