KOL - Papers of individuals and of exiled organisations KOL. 4 Col. Zygmunt Borkowski (1894-1976), Papers
The Lt. Col. Zygmunt Borkowski (1894-1976) Collection. file 2 – Official and private correspondence, reports and notes of Gen. Sikorski’s Chef de Cabinet, 1942-1943, 1946, 1966 KOL – Papers of individuals and of exiled organisations KOL. 4 Col. Zygmunt Borkowski (1894-1976), Papers