Relates to British relations with Russia during the Russian Revolution. Consists of English translation with commentary by Maria Ashot of 2011 published Russian-language edition of the memoirs translated with commentary by A. V. Bykov.
Correspondence, memoranda, depositions and other legal documents, minutes, and writings, relating to world politics, British foreign policy, espionage in Great Britain, the Imperial Policy Group, political views of the Duke of Windsor, and business affairs of and legal proceedings against K. H. de Courcy.
Dispatches, memoranda, reports, and letters, relating to analysis of the political situation in Yugoslavia prior to the coup of 1941, British involvement in the coup, assessment of Partisan and C̆etnik resistance forces in Yugoslavia, and formulation of British policy in regard to those forces.
Interview and other notes, letters received, and printed matter, relating to American and British cryptological and electronic intelligence during World War II. Used as research material for the book by B. F. Smith, The Ultra-Magic Deals and the Most Secret Special Relationship, 1940-1946 (Novato, Ca., 1993). Includes a National Security Agency official history of World War II cryptology, declassified under the Freedom of Information Act.