@misc{Opaliński_Łukasz_(1612-1662)_Polonia,
 author={Opaliński, Łukasz (1612-1662)},
 howpublished={online},
 publisher={Georg Förster},
 language={lat},
 title={Polonia Defensa Contra Ioann. Barclaivm, Vbi, occasione ista, de Regno Genteque Polona multa narrantur, hactenus litteris non tradita},
 type={starodruk},
 keywords={Jan Dymitr Solikowski},
}