National Archives and Records Administration II, RG 59 - Records of the Department of State relating to internal affairs of Hungary 1930-1944, Washington 1983 (Microfilm-Edition): Doc. 864.4016/180, p. 1. Original in English.
National Archives and Records Administration II, Records of the U. S. Department of State relating to internal affairs of Romania 1910-1944, Wilmington, Del. 1981 (Microfilm-Edition): Doc. 871.4016/254, p. 2f., 5. Original in English.