Search for: [Subject and Keywords = natural sciences] OR [Subject and Keywords = philosophy] OR [Subject and Keywords = poetry] OR [Subject and Keywords = Poland] OR [Subject and Keywords = 18th century] OR [Subject and Keywords = Nauki przyrodnicze \-\- 19 w. \[KABA\]] OR [Subject and Keywords = Filozofia \-\- Polska \-\- 19 w. \[KABA\]] OR [Subject and Keywords = Poezja epicka polska \-\- 19 w. \[KABA\]] OR [Title = Pisma filozoficzne i społeczne. T. 2] OR [Title = Pisma filozoficzne i społeczne. T. 2] OR [Creator = Staszic, Stanisław \(1755–1826\)] OR [Creator = Staszic, Stanisław \(1755–1826\)]