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    • Ubezpieczenie emerytalne robotników w Polsce w latach 1918–1939 

      Jarosz-Nojszewska, Anna (Wydawnictwo Gajt, 2012)
      The Polish state, which came into existence after the World War I, composed mainly of lands, that for almost one and a half of a century remained under Russian, German, and Austrian annexation. Different level of development ...