Search for: [Subject and Keywords = Strajki\-\-Polska\-\-1918\-1939 r.\-\-statystyka] OR [Subject and Keywords = Robotnicy\-\-praca\-\-1918\-1939 r.\-\-statystyka] OR [Subject and Keywords = Rynek pracy\-\-Polska\-\-1918\-1939 r.\-\-statystyka] OR [Subject and Keywords = strike in Poland \(1918\-1938\)] OR [Subject and Keywords = blue\-collar work in Poland \(1918\-1939\)] OR [Subject and Keywords = labour market in Poland \(1918\-1939\)] OR [Subject and Keywords = statistics] OR [Title = Przebieg walk strajkowych w latach 1923\-1930 = Les grèves en Pologne au cours des annés 1923\-1930] OR [Title = Przebieg walk strajkowych w latach 1923\-1930 = Les grèves en Pologne au cours des annés 1923\-1930] OR [Creator = Ettinger, Janina] OR [Creator = Ettinger, Janina]