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.
1941-11-04 | Gunther, Franklin Mott Gunther | Romania
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. 871.4016/287, p. 2-4. Printed in FRUS 1941, vol. II, p. 871-874. Original in English.
1943-04-01 | Berry, Burton Y. | Republic of Bulgaria
National Archives and Records Administration II, RG 59 - Records of the Department of State relating to internal affairs of Bulgaria 1910-1944, Washington, D.C. 1982 (Microfilm): Doc. 874.4016/[no number], p. 1. Original in English.