@misc{Negri_Francesco_(ca_1450-1510)_Francisci_1521,
 author={Negri, Francesco (ca 1450-1510)},
 contributor={Szarfenberger, Mikołaj (1519-1606). Nakładca},
 year={1521},
 rights={Domena publiczna (Public domain)},
 publisher={Wietor, Hieronim (post 1480-1546/1547)},
 language={lat},
 title={Francisci Nigri [...] de co[n]ficiendis Epistolis, et elegantiaru[m] regulis opus summa [...]},
 type={stary druk},
 keywords={listy - poradniki - 16 w.},
}