Mr Yeats' ardent new poems
https://www.theguardian.com/news/1919/apr/07/mainsection.fromthearchive
The original 1919 review of "The Wild Swans at Coole."
William Butler Yeats, 1865-1939
https://www.poetryfoundation.org/poets/william-butler-yeats
A biography of Yeats from Poetryfoundation.com
The Wild Swans at Coole
https://modernism.coursepress.yale.edu/the-wild-swans-at-coole/
An analysis of "The Wild Swans at Coole" by Andrew Gates, from Yale University's Modernism Lab.
William Butler Yeats, Magus
https://www.laphamsquarterly.org/magic-shows/w-b-yeats-magus
A deeper dive into Yeats' occult studies and practices.