Primary Sources -

The Berlin Wall : Kennedy, Khrushchev and a Showdown in the Heart of Europe is a book written by Norman Gelb and was published by Times Books in 1986.Norman Gelb was in Berlin as chief European correspondent for the Mutual Broadcasting Network before, during and after the building of the Wall. It is a primary source, because the author was present at the time of the event but has also interviewed and talked to different people who witnessed it. He is unbiased and gives opinions from both sides. The author includes citations, pictures and references in the book.