Richard Breitman, “Records of the Central Intelligence Agency (RG 263)”, Interagency Working Group, National Archives of the United States, April 2001.

“Beetz, Hildegard, nee Burkhardt”, interrogation notes, July 30, 1945, XX8382, Central Intelligence Agency Archives.

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

Memorandum, on Hilde Beetz, from Spearhead, Amzon, to Hitor, Weimar, June 18, 1945, OSS 1366, Central Intelligence Agency Archives, declassified 2001.

“Subject: Gambit’s Lebenslauf and Analysis by AB 16”, June 5, 1946, LBX–347, Central Intelligence Agency Archives.

“Project Proposal for CIB: GAMBIT”, July 13, 1946, LBX–435, Central Intelligence Agency Archives.

“CIA and Nazi War Crim. and Col.”, working draft, chapter 3, “Persons from All Spheres of Influence (U)”, Central Intelligence Agency Archives, 42; Ray Moseley, Mussolini’s Shadow.

Judy Bachrach, “La Vita Agnelli”, Vanity Fair, April 2001.

Edda Ciano letters to Frances de Chollet, Frances de Chollet Collection, MC292, Public Policy Papers, Department of Special Collections, Princeton University Library.

Livia Perricone, “Una rondine ferita dalle ali infrante: Edda Ciano e il comunista”, Lipari, February 23, 2015; see also Marcello Sorgi, Edda Ciano e il comunista: L’inconfessabile passione della figlia del duce (Milano: Bur, 2011).

Eliza Apperly, “Letters Show Mussolini Daughter’s Love for Communist”, Reuters (Rome), April 17, 2009.

Letters to Frances de Chollet from others, Frances de Chollet Collection, MC292, Public Policy Papers, Department of Special Collections, Princeton University Library.

Jacqueline de Chollet, personal correspondence, October 2021; the quote is from Washington Irving’s The Sketch Book (1819).

Document 2987–PS (Exhibit U. S.A.–166), Trial of the Major War Criminals before the International Military Tribunal, Nuremberg, November 14, 1945; see English edition, Trial of the Major War Criminals Before the International Military Tribunal, October 1, 1946, 31:434–438 and January 8, 1946, 4:567–568; Howard McGaw Smyth, “The Papers: Rose Garden”.

Letter from Frances de Chollet to Rosalie Harvie-Watt, Frances de Chollet Collection, Public Policy Papers, Department of Special Collections, Princeton University Library.