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Two years after that debut , his generously illustrated version of Fairy Tales from Hans Christian Andersen ( 1914 ) appeared - a title that benefited significantly from Walker 's editorial involvement in the project - and over the following decade , many other commissions followed .
 Hans Christian Andersen, Walker
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hans Christian Andersen, Walker