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After graduating from Germantown Academy in 1887 , he received Bachelor of Arts degrees from the University of Pennsylvania in 1891 and from Harvard University in 1892 .
 Germantown Academy, University of Pennsylvania, Harvard University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Germantown Academy, University of Pennsylvania, Harvard University