Encyclopedia.com - Basho - Basho imbued haiku, a social pastime, with the spirit of Zen, creating a serious literary form capable of profound artistic expression. - http://www.encyclopedia.com/html/b/basho.asp
Matsuo Basho and Zen Haiku - History of Zen monk, Basho's, creation of Zen haiku. - http://www.mnzenctr.com/sangha/matsuo.html
Basho's World - The stations from Matsuo Basho's travel diary "The Narrow Road to the Deep North". - http://www.uoregon.edu/~kohl/basho/
Basho - "A haiku is the expression of a temporary enlightenment, in which we see into the life of things." Whether "temporary" or not, Basho gives in his seventeen syllables a significant intuition into Reality. - http://www.poetrystore.com/commenta.html