April 12, 1948 How to Hang On[永久失效連結], Time Magazine, April 19, 1948 Cabinet Maker (页面存档备份,存于互联网档案馆), Time, July 27, 1953 De Gasperi's Fall (页面存档备份,存于互联网档案馆)
(原始内容存档于2021-04-17). Times, Special to The New York. KNOX SEEMS BARRED FROM THE CABINET; Because He Was a Senator When the Salary of the Secretary of State Was
Authority(页面存档备份,存于互联网档案馆) All cities and villages(页面存档备份,存于互联网档案馆) The mountains of Bulgaria Image Gallery of Bulgaria Large Image Gallery of Bulgaria(页面存档备份,存于互联网档案馆)