Berg, C., & Berg, V. (1989). Birchwood farm grove: Underground secret societies Calling out Jack the Ripper! + origin James Walton aka "Peavine Jimmy" unveiled. Vern and Carrie Berg.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerg, Carrie, और Vern Berg. Birchwood Farm Grove: Underground Secret Societies Calling Out Jack the Ripper! + Origin James Walton Aka "Peavine Jimmy" Unveiled. Spokane, Washington: Vern and Carrie Berg, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBerg, Carrie, और Vern Berg. Birchwood Farm Grove: Underground Secret Societies Calling Out Jack the Ripper! + Origin James Walton Aka "Peavine Jimmy" Unveiled. Vern and Carrie Berg, 1989.
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