1. Aldrich, Richard J. in Cormac, Rory, The Black Door. Spies, Secret Intelligence and British Prime Ministers (London, 2017).
2. Aldrich, Richard, GCHQ. The Uncensored Story of Britain’s Most Secret Intelligence Agancy (London, 2011).
3. Andrew, Cristopher, Her Majesty’s Secret Service. The Making of the British Intelligence Community (New York, 1986).
4. Andrew, Cristopher, The Defence of the Realm. The Authorized History of MI5 (London, 2009).
5. Avramovski, Živko, Britanci o Kraljevini Jugoslaviji. Godišnji izveštaji Britanskog poslanstva u Beogradu 1921–1938. Knjiga druga (1931–1938) (Beograd–Zagreb, 1986).