@misc{Negri_Francesco_(około_1450-1510)_Francisci,
 author={Negri, Francesco (około 1450-1510)},
 address={Kraków},
 howpublished={online},
 publisher={Hochfeder, Kaspar ( -ca 1517). Druk.},
 language={lat},
 title={Francisci nigri doctoris et oratoris spectatissimi Compendiosa ars de Epistolis artificiose exarandis},
 type={stary druk},
}