Martin, Campbell, and Furlong families papers MC 90. Philadelphia Archdiocesan Historical Research Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMartin, Campbell, and Furlong Families Papers MC 90. Philadelphia Archdiocesan Historical Research Center.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMartin, Campbell, and Furlong Families Papers MC 90. Philadelphia Archdiocesan Historical Research Center.
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