O'Connor, R. F., & Richelieu, A. J. d. P. (1912). His grey eminence: The true "Friar Joseph" of Bulwer Lytton's "Richelieu" : a historical study of the Capuchin, père Joseph Frano̜is Le Clerc du Tremblay. Dolphin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Connor, Robert Francis, और Armand Jean du Plessis Richelieu. His Grey Eminence: The True "Friar Joseph" of Bulwer Lytton's "Richelieu" : A Historical Study of the Capuchin, Père Joseph Frano̜is Le Clerc Du Tremblay. Philadelphia: Dolphin Press, 1912.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Connor, Robert Francis, और Armand Jean du Plessis Richelieu. His Grey Eminence: The True "Friar Joseph" of Bulwer Lytton's "Richelieu" : A Historical Study of the Capuchin, Père Joseph Frano̜is Le Clerc Du Tremblay. Dolphin Press, 1912.
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