National Archives and Records Administration II, RG 59 - Records of the Department of State relating to internal affairs of Poland 1916-1944, Washington 1981 (Mikrofilm-Edition): Doc. 860C.4016. Original in English.
Japan Center for Asia Historical Materials (JACAR), Minzoku mondai kankei zakken: Yudayajin mondai [Documents on the Issus of Nationalities: The Jewish Issue] B04013207600-10500, 9:147-148. Original in Japanese.
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, RG 59 - Records of the Department of State relating to internal affairs of Poland 1916-1944, Washington 1981 (Microfilm-Edition), Doc. 860C.4016/603. Original in English.