Wilhelm, L. W. (1884). Sir George Calvert, Baron of Baltimore. A paper read before the Maryland Historical Society, April 14th, 1884. Baltimore.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilhelm, Lewis Webb. Sir George Calvert, Baron of Baltimore. A Paper Read Before the Maryland Historical Society, April 14th, 1884. Baltimore, 1884.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilhelm, Lewis Webb. Sir George Calvert, Baron of Baltimore. A Paper Read Before the Maryland Historical Society, April 14th, 1884. Baltimore, 1884.
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