The national consciousness of Ukrainian nobles and Cossacks from the end of the sixteenth to the mid-seventeenth century

     
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      Chynczewska-Hennel,T.
      The national consciousness of Ukrainian nobles and Cossacks from the end of the sixteenth to the mid-seventeenth century T. Chynczewska-Hennel // Harvard Ukrainian studies. - 1986. - Vol. X No. 3/4. - С. 377-392 - .