@misc{_Speculu[m],
 address={Hage[n]naw},
 howpublished={online},
 publisher={Gran, Heinrich (14..-15..). Druk.},
 publisher={Rynmann, Johann (14..-1522?). Nakł.},
 language={lat},
 title={Speculu[m] exemplo[rum] : omnibus christicolis salubriter inspicie[n]du[m]: ut exe[m]plis disca[n]t disciplinam.},
 keywords={Kolekcje Piastowskie, 16 w.},
}