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. 871.4016/232. Original in English.
National Archives and Records Administration II, Records of the Department of State relating , Doc. to internal affairs of Romania 1910-1944, Wilmington, Del. 1981 (Microfilm-Edition): Doc 871.4016/271, p. 2, 4f. 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.
National Archives and Records Administration II, RG 59, Records of the U. S. Department of State relating to internal affairs of Czechoslovakia 1910-1944, Washington, 1982 (Microfilm): Doc. 860F.4016/83. Original in English.
Archivio Storico Diplomatico del Ministero degli Affari Esteri, AG Uff IV. Posizione S.E. 27.869, busta R, fasc. Romania, copy: busta 17 (1941-1942). Original in Italian.