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The System of Economic Contradictions , or Philosophy of Poverty ( often erroneously referred to as The Philosophy of Misery ) is a work published in 1847 by Pierre-Joseph Proudhon .
 person: Pierre-Joseph Proudhon
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Pierre-Joseph Proudhon 
Answer:
 person: Pierre-Joseph Proudhon