Search for: [Subject and Keywords = Twentieth century] OR [Subject and Keywords = history, modern \- 20th c.] OR [Subject and Keywords = world politics \- 20th c.] OR [Subject and Keywords = Cywilizacja \-\- 20 w. \[KABA\]] OR [Subject and Keywords = Historia powszechna \-\- 20 w. \[KABA\]] OR [Title = Najkrótsze stulecie] OR [Title = Najkrótsze stulecie] OR [Creator = Kozielecki, Józef \(1936– \)] OR [Creator = Kozielecki, Józef \(1936– \)]