Brooks-Queen Family. The Catholic University of America, The American Catholic History Research Center and University Archives.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrooks-Queen Family. The Catholic University of America, The American Catholic History Research Center and University Archives.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrooks-Queen Family. The Catholic University of America, The American Catholic History Research Center and University Archives.
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