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The Esherick House received the Landmark Building Award from the Philadelphia chapter of the American Institute of Architects in 1992 and was added to Pennsylvania Register of Historic Places in 2009 .
 Esherick, Philadelphia, American Institute of Architects, Pennsylvania
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Esherick, Philadelphia, American Institute of Architects, Pennsylvania