Não informado. (1954). Essays in history. University of Virginia, Corcoran Departament of History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Essays in History. Charlottesville, Va: University of Virginia, Corcoran Departament of History, 1954.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Essays in History. University of Virginia, Corcoran Departament of History, 1954.
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