Разные материалы:
Катынские материалы на сайте Foreign Commonwealth Office [ссылки на заархивированную версию сайта]:
1. The Katyn Massacre: A Special Operations Executive perspective
2. British Reactions to the Katyn Massacre, 1943-2003
2а. The Butler Memorandum [PDF]2aa. The Daily Telegraph, 17.08.1972, "Russian Guilt for Katyn Massacre Reaffirmed" [PDF]2b. Despatch from Sir Owen O'Malley, 24 May 1943 [PDF]
2ab. Report of the Soviet Special Commission on the Katyn Massacre (+ analysis), FO 26.03.1944 [PDF: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
2ac. D. Allen, Katyn memo, 25.10.1945 [PDF]
2ad. Memorandum by Mr. F. B. Bourdillon of Research Department (Polish Red Cross Report on the Katyn Mass Graves), 10.04.1946 [PDF]
2ae. Tehran Telegram no. 210 from Sir R. Bullard, 15.02.1946 [PDF]
2af. Nuremberg Telegram From British War Crimes Executive, 06.07.1946 [PDF]
2c. Despatch from Sir Owen O'Malley, 11 February 1944 [PDF]
2d. Intercepted telegrams from German MFA, April-May 1943 [PDF]