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He corresponded with scores of authors , including Ezra Pound , Kirkwood , Mo. native Marianne Moore , and E.E. Cummings .
 Ezra Pound, Marianne Moore, E.E. Cummings
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ezra Pound, Marianne Moore, E.E. Cummings