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.
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.
