Keir, D. L. (1963). The constitutional history of modern Britain: Since 1485 (7th ed.). Adam and Charles Black, English Language Book Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeir, David Lindsay. The Constitutional History of Modern Britain: Since 1485. 7th ed. Adam and Charles Black, English Language Book Society, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKeir, David Lindsay. The Constitutional History of Modern Britain: Since 1485. 7th ed. Adam and Charles Black, English Language Book Society, 1963.
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