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He himself said that the first step leading to his conversion was the reading of " A Novena to St. Francis Xavier " , a book belonging to an Irish servant girl , while he was principal of the Episcopalian Academy at Fairfield , New York .
 Fairfield , New York
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fairfield , New York