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His works focus on the social history of early Christianity ( groundbreaking studies on , for example , early Christianity in Rome in the 1st/2nd centuries , and on Paul ’s correspondence with Philemon ; his work also contributed decisively to the paradigm shift toward a more contextual reading of the Letter to the Romans ) ; on the Hellenistic background of early Christianity ; on Pauline studies ( including rhetorical studies ) ; on early Christian archaeology and epigraphy ; as well as on methodological and hermeneutical questions .
 studies, Rome, Pauline studies, studies
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 studies, Rome, Pauline studies, studies