Great Books OnlineԱրխիվացված 10 Մայիս 2007 Wayback Machine, François Marie Arouet de Voltaire (1694–1778). "Letter XXI—On the Earl of Rochester and Mr. Waller" Letters on the English. The Harvard Classics. 1909–14, Bartleby.com, Accessed 15 May 2007
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Magoun, Francis P jr (1953), «The Oral-Formulaic Character of Anglo-Saxon Narrative Poetry», Speculum, vol. 28, no. 3, էջեր 446–67, doi:10.2307/2847021, JSTOR2847021, S2CID162903356.
O'Keeffe, Katherine O'Brien (January 1987). "Orality and the Developing Text of Caedmon's Hymn". Speculum 62 (1). doi:10.2307/2852564. JSTOR2852564
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Magoun, Francis P jr (1953), «The Oral-Formulaic Character of Anglo-Saxon Narrative Poetry», Speculum, vol. 28, no. 3, էջեր 446–67, doi:10.2307/2847021, JSTOR2847021, S2CID162903356.
Great Books OnlineԱրխիվացված 10 Մայիս 2007 Wayback Machine, François Marie Arouet de Voltaire (1694–1778). "Letter XXI—On the Earl of Rochester and Mr. Waller" Letters on the English. The Harvard Classics. 1909–14, Bartleby.com, Accessed 15 May 2007