@misc{Warszewicki_Krzysztof_Christophori_1598,
 author={Warszewicki Krzysztof},
 address={Kraków},
 year={1598},
 publisher={In Officina Lazari},
 language={lat},
 title={Christophori Varsevicii De optimo statu libertatis, libri duo},
 type={stary druk},
}