Correspondence of S. Kot, Gen. M. Kukiel, S. Stroński, Rev. Z. Kaczyński, B. Kuśnierz and J. Drohojewski to Gen. Sikorski, 1941

PRM - Council of Ministers (Cabinet Office). 1939 - 1991. PRM Council of Ministers (Cabinet Office). Archive of the Prime Minister 1939 - 1945.

Correspondence of S. Kot, Gen. M. Kukiel, S. Stroński, Rev. Z. Kaczyński, B. Kuśnierz and J. Drohojewski to Gen. Sikorski, 1941 PRM – Council of Ministers (Cabinet Office). 1939 – 1991. PRM Council of Ministers (Cabinet Office). Archive of the Prime Minister 1939 – 1945.