Pittsburgh (Diocese). Bishop, 1854-1860 (Michael O'Connor). (1858). [Letter to the clergy regarding the collection to be taken up for the American college at Rome]. [s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPittsburgh (Diocese). Bishop, 1854-1860 (Michael O'Connor). [Letter to the Clergy Regarding the Collection to Be Taken Up for the American College at Rome]. Pittsburgh: [s.n.], 1858.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPittsburgh (Diocese). Bishop, 1854-1860 (Michael O'Connor). [Letter to the Clergy Regarding the Collection to Be Taken Up for the American College at Rome]. [s.n.], 1858.
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