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 Department of State relating to internal affairs of Czechoslovakia 1910-1944, Washington 1982 (Mikrofilm-Edition), Doc. 860F.4016/68, p. 1-3. Original in English.
