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Kazhdan, Alexander. "Rus'-Byzantine Princely Marriages in the Eleventh and Twelf...
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Kazhdan, Alexander. "Rus'-Byzantine Princely Marriages in the Eleventh and Twelfth Centuries". Harvard Ukrainian Studies. 12/13 at pages 414–429.. Harvard Ukrainian Research Institute, 1989. Rus'-Byzantine Princely Marriages in the Eleventh and Twelfth Centuries : accessed 21 July 2026.