Секретный Черчилль

21. Nicolai W. Nachrichtendienst, Presse und Volksstimmung im Weltkrieg. Berlin, 1920.

22. Nicholas H. Entering the Lists: MI 5’s Great Spy Round-up of August 1914 // Intelligence and National Security. 2006. Vol. 21, № 1.

23. Stafford D. Roosevelt and Churchill: Men of Secrets. Woodstock; New York, 2001.

24. Thomas B. Spies of the Kaiser: German Covert Operations in Britain during the First World War Era. London, 2004.

25. Venning А. How Britain’s first spy chief ordered Rasputin’s murder (in a way that would make every man wince // Daily mail. 2010. 22 July.

26. Young P. Commando. London, 1969.