Picozzi, R. Allegory and Symbol in Hartmann's 'Gregorius': Rosemary Picozzi. Essays on German literature : in honour of G. Joyce Hallamore.(1968).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPicozzi, Rosemary. "Allegory and Symbol in Hartmann's 'Gregorius': Rosemary Picozzi." Essays on German Literature : In Honour of G. Joyce Hallamore.(1968) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रPicozzi, Rosemary. "Allegory and Symbol in Hartmann's 'Gregorius': Rosemary Picozzi." Essays on German Literature : In Honour of G. Joyce Hallamore.(1968), .
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