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Through his work , and in the several continuations of it by others , the world first learned of the wealth of historical documents contained in the Roman archives , and especially in the archives of the Vatican .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None