156059
On his return to London he subsequently revisited Ireland on a long tour in 1822 , the record of which he documented in a book , Travels in Ireland in the year 1822 , exhibiting a brief sketches of the Moral , Physical and Political state of the Country published in London in 1823 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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