@misc{Piotrowski_Łukasz_Grammaticarum,
 author={Piotrowski, Łukasz},
 howpublished={online},
 publisher={Cosmerovius Matthaeus},
 language={lat},
 type={starodruk},
 title={Grammaticarum institutionum libri IV. Pro usu scholarum Novodvorscianarum in Alma Academia Cracoviensi. Operâ et studio M. Lucae Piotrowski, in eadem Academia Novodvorsciani gramm. profess.},
 keywords={gramatyka 17w., podręczniki 17w.},
}