Search for: [Subject and Keywords = Halecki, Oskar \(1891\-1973\)] OR [Subject and Keywords = Liga Narodów] OR [Subject and Keywords = historycy] OR [Subject and Keywords = Europa] OR [Subject and Keywords = Polska] OR [Title = Oskar Halecki a Liga Narodów \: poglądy i działalność] OR [Creator = Brzeziński, Andrzej Maciej \(1947\- \)]
