@misc{_Copia,
 howpublished={online},
 language={lat},
 type={starodruk},
 title={Copia Litterarum cujusdam Eqvitis Poloni ad Serenissimum Electorem Saxoniæ Ducem 1733},
 keywords={August III Sas (król Polski ; 1696-1763)},
}