Fisher, S. G. The Quaker Colonies: A Chronicle of the Proprietors of the Delaware.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFisher, Sydney George. The Quaker Colonies: A Chronicle of the Proprietors of the Delaware.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFisher, Sydney George. The Quaker Colonies: A Chronicle of the Proprietors of the Delaware.
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