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From 1836 to 1843 , Bartol engaged in law practice in Denton , Maryland , where he helped to establish an Academy .
 Bartol, Denton , Maryland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bartol, Denton , Maryland