National Archives and Records Administration II, Records of the Department of State relating to internal affairs of Poland 1916-1944, Washington 1981 (Microfilm-Edition): Doc. 860C.4016/624, p. 1f., 6f. Original in English.
National Archives and Records Administration II, Records of the Department of State relating to internal affairs of Hungary 1930-1944, Washington 1983 (Mikrofilm-Edition): Dokument 864.4016/177, part 1, p. 1, part 2, p. 1 Original in English.