8903
Although under Pope Pius IX it became somewhat easier to obtain a permit for private research , the political conditions of his reign worked against a general opening of the Vatican Archives . "
 person: Pope Pius IX
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Pope Pius IX