@misc{Zygmunt_I_Stary_(król_Polski_;_1467-1548)_Copey,
 author={Zygmunt I Stary (król Polski ; 1467-1548)},
 address={[Kraków]},
 howpublished={online},
 publisher={[Wietor, Hieronim (post 1480-1546/47). Druk.]},
 language={ger},
 title={Copey eines Brieffs Koenigklicher Maiestat zu Polen an den Durchleuchtigsten Fürsten Hertzogen in Preussen etc},
 type={stary druk},
}