Powell, H. A neglected Faustian drama and its cultural roots in seventeenth-century Germany: Hugh Powell. Faust through four centuries : retrospect and analysis=Vierhundert Jahre Faust : Rückblick und Analyse.(1989).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPowell, Hugh. "A Neglected Faustian Drama and Its Cultural Roots in Seventeenth-century Germany: Hugh Powell." Faust Through Four Centuries : Retrospect and Analysis=Vierhundert Jahre Faust : Rückblick Und Analyse.(1989) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रPowell, Hugh. "A Neglected Faustian Drama and Its Cultural Roots in Seventeenth-century Germany: Hugh Powell." Faust Through Four Centuries : Retrospect and Analysis=Vierhundert Jahre Faust : Rückblick Und Analyse.(1989), .
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