Theo nguồn tin tiếng Anh trên trang mạng
Thomas Polgar, CIA official during the fall of Saigon, dies
By Matt Schudel
The Washington Post
http://www.washingtonpost.com/national/thomas-polgar-cia-official-during-the-fall-of-saigon-dies/2014/03/31/f11d6f36-b6a5-11e3-a7c6-70cf2db17781_story.html
The man who said good-bye to Saigon
http://www.theage.com.au/comment/obituaries/the-man-who-said-goodbye-to-saigon-20140403-zqqa0.html
Tom Polgar Remembers
Thomas Polgar
http://lde421.blogspot.com/2013/01/tom-polgar-remembers.html