@misc{Valerius_Cornelius_(1512-1578)_Ethicae, author={Valerius, Cornelius (1512-1578)}, address={Antwerpiae}, howpublished={online}, publisher={Ex officina Christophori Plantini}, language={lat}, type={starodruk}, title={Ethicae seu moralis philosophiae brevis ac perspicua descriptio / Diligenter & ordine per facili explicata a Cornelio Valerio Vltraiectino}, keywords={Polska -- 16 w., Early printed books -- 16th century, Sixteenth century}, }