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According to the 1st-century CE Jew ish historian Josephus , Herod the Great fortified Masada between 37 and 31 BCE as a refuge for himself in the event of a revolt .
 Josephus, Herod the Great
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Josephus, Herod the Great