314851
Norris was very well educated and owned one of the largest libraries in the colonies at the time , holding approximately 1,500 books , as well as personal property and real property , including the estate of Fair Hill in the Philadelphia area .
 Philadelphia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Philadelphia