Writing Out Chaos
http://findarticles.com/p/articles/mi_m0403/is_2_47/ai_82531886
An academic article on the postcolonial history and theory of "Meditations in a Time of Civil War" and "Nineteen Hundred and Nineteen."
Princeton Library Collection
http://libweb.princeton.edu/libraries/firestone/rbsc/aids/yeatsjb/
The beginning of a catalogue of Yeats' possessions and letters offers a self-portrait and reliable biography.
Gort Guide
http://www.gortonline.com/TouristGuide/PlacesofInterest/ThoorBallylee/Thoor+Ballylee.htm
Images of and information about the tower in Thoor Ballylee that Yeats bought and lived in.