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He earned a doctorate in canon law from the Catholic University of America in 1928 , and spent ten years as secretary to the Apostolic Delegation in Washington , D.C. He then served as pastor of the Church of Resurrection in Chester and of Our Lady of Lourdes Church in Philadelphia ( 1941 – 1949 ) .
 Catholic University of America, Chester, Philadelphia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Catholic University of America, Chester, Philadelphia