First Vatican Council Photograph Album. The American Catholic History Research Center and University Archives.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFirst Vatican Council Photograph Album. The American Catholic History Research Center and University Archives.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFirst Vatican Council Photograph Album. The American Catholic History Research Center and University Archives.
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