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For example , most of the black and white illustrations in R. Tucker Abbott 's American Seashells ( 1954 ) were by McConnell .
 R. Tucker Abbott, McConnell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 R. Tucker Abbott, McConnell