National Archives and Records Administration II, RG 59, Records of the U. S. Department of State relating to internal affairs of Romania 1910-1944, Wilmington, Del. 1981 (Microfilm): Doc. 871.4016/253. Original in English.
National Archives and Records Administration II, RG 59 - Records of the Department of State relating to internal affairs of 1910-1944, Washington 1982 (Microfilm-Edition): Dokument 874.4016/69, p. 1f. 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.