National Archives and Records Administration II, RG 59 - Records of the Department of State relating to the internal affairs of Hungary 1930-1944, Wilmington, Del. 1987 (Microfilm), Doc. 864.4016/125. 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. Original in English.