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As part of his work with the Irish Manuscripts Commission he published with R. B. McDowell the Irish Historical Documents , 1172-1922 on the year of his death .
 Irish Manuscripts Commission, R. B. McDowell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Irish Manuscripts Commission, R. B. McDowell