William Butler Yeats was one of the greatest English-language poets of the 20th century and received the Nobel Prize for Literature in 1923.
In 1917, William Butler Yeats published The Wild Swans at Coole, and from then onward he reached and maintained the height of his achievement. In 1923, he was awarded the Nobel Prize for Literature and, as a celebrated figure, he was indisputably one of the most significant modern poets and confounded expectations by producing his greatest work between the ages of 50 and 75.
William Butler Yeats. (2013). The Biography Channel website. Retrieved 08:47, Jun 19, 2013, from http://www.biography.com/people/william-butler-yeats-9538857.
William Butler Yeats. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/william-butler-yeats-9538857 [Accessed 19 Jun 2013].
"William Butler Yeats." 2013. The Biography Channel website. Jun 19 2013, 08:47 http://www.biography.com/people/william-butler-yeats-9538857.
"William Butler Yeats," The Biography Channel website, 2013, http://www.biography.com/people/william-butler-yeats-9538857 [accessed Jun 19, 2013].
"William Butler Yeats," The Biography Channel website, http://www.biography.com/people/william-butler-yeats-9538857 (accessed Jun 19, 2013).
William Butler Yeats [Internet]. The Biography Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.biography.com/people/william-butler-yeats-9538857.
William Butler Yeats, http://www.biography.com/people/william-butler-yeats-9538857 (last visited Jun 19, 2013).
William Butler Yeats. The Biography Channel website. 2013. Available at: http://www.biography.com/people/william-butler-yeats-9538857. Accessed Jun 19, 2013.