1. Haggard W.H.D. 1904c. Letter to the Marquess of Lansdowne, 7 July 1904. TNA FO 118/265 (to Foreign Office 1904, General correspondence of the British Embassy, Buenos Aires).
2. Churchill W.S. 1941. Letter to M.Subercaseaux, Embassy of Chile declining to recognise Chilean decree, 25 February 1941. TNA FO 371/25877 (FO General correspondence, Chilean claims to territory in Antarctica 1941).
3. Perowne J.V. 1942a. Minute on British claim to South Orkneys, 13 February 1942. TNA FO 371/30311 (General correspondence – Argentina File 1942).
4. Terry J.A. 1904. Letter from the Ministry of Foreign Affairs and Worship, Argentine Republic, to W Haggard, 8 January 1904. TNA FO 83/1976 (Foreign Office, General correspondence before 1906).