National Archives and Records Administration II, Records of the Department of State relating to internal affairs of Hungary 1930-1944, Washington 1983 (Microfilm-Edition): Doc. 864.4016/169, p. 1-3. Original in English.
National Archives and Records Administration II - Records of the Department of State relating to internal affairs of Hungary 1930-1944, Washington, Washington, Del. 1983 (Microfilm-Edition): Doc. 864.4016/151. Original in English.