@misc{Leszczyński_Kazimierz_Ignacy_(16..-1730)_Ver,
 author={Leszczyński, Kazimierz Ignacy (16..-1730)},
 howpublished={online},
 publisher={Karol Ferdynand Schreiber},
 language={lat},
 type={starodruk},
 title={Ver Avreæ Ætatis Jn Campo Regalis Ianinæ Floridum, Serenissimo Poloniarvm Principi Domino Domino Iacobo Serenissimi [...] Ioannis III. [...] Magnæ Spei Filio Ad primos Maij Natales [...] Præsentatvm},
}