Giovanni Dolfin, Con Mussolini nella tragedia: Diario del capo della segreteria particolare del Duce, 1943–1944 (Milan: Garzanti, 1950).

Report by Hildegard Beetz to RSHA, June 18, 1945, Verona, archive file 71, Central Intelligence Agency.

Edda Mussolini Ciano, My Truth.

Arthur Aron et al., “The Experimental Generation of Interpersonal Closeness: A Procedure and Some Preliminary Findings”, Personality and Social Psychology Bulletin 23, no. 4 (April 1997).

Moseley, Mussolini’s Shadow.

Peniston-Bird and Vickers, Gender and the Second World War.

Report by Hildegard Beetz to RSHA, archive file 67, Central Intelligence Agency.

“Hildegard Beetz”, October 26, 1943.

Howard McGaw Smyth, “The Papers: Rose Garden”.

Walter Segna, Interrogation Report, May 13, 1945.

Report, Emilio Pucci to Allen Dulles, May 24, 1945, item 18R, “Edda Ciano Diaries”, Personal Files of Allen Dulles, 8; Roman Dombrowski, Mussolini: Twilight and Fall (New York: Roy Publishers, 1956).

Kaltenbrünner to Ribbentrop, January 13, 1944, German Foreign Office Archives, Inland II geheim: “Geheime Reichssachen” 1944, vol. 15, box 3, fiche T–120, National Archives, Serial 712/ 262452–453.

Andrea Niccoletti, “The Decline and Fall of Edda Ciano”, n. p.

Allen W. Dulles, The Craft of Intelligence: America’s Legendary Spy Master on the Fundamentals of Intelligence Gathering for a Free World (Guilford, CT: Lyons Press, 2016).