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His associations were numerous , including Gustave Courbet , Honoré Daumier , Félicien Rops , Franz Liszt , Champfleury , Victor Hugo , Gustave Flaubert , and Balzac .
 Gustave Courbet, Honoré Daumier, Félicien Rops, Franz Liszt, Champfleury, Victor Hugo, Gustave Flaubert, Balzac
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gustave Courbet, Honoré Daumier, Félicien Rops, Franz Liszt, Champfleury, Victor Hugo, Gustave Flaubert, Balzac