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Mary Catherine Gordon ( born December 8 , 1949 ) is an American writer and is the McIntosh Professor of English at Barnard College .
 Gordon, American, Barnard College
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gordon, American, Barnard College