Kelly, Douglas (January 1976). "Chrétien Studies: Problems of Form and Meaning in Erec, Yvain, Cliges and the Charrete. Z. P. Zaddy". Speculum. 51 (1): 159–162. doi:10.2307/2851026. ISSN0038-7134. JSTOR2851026.
Kelly, Douglas (January 1976). "Chrétien Studies: Problems of Form and Meaning in Erec, Yvain, Cliges and the Charrete. Z. P. Zaddy". Speculum. 51 (1): 159–162. doi:10.2307/2851026. ISSN0038-7134. JSTOR2851026.
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Kelly, Douglas (January 1976). "Chrétien Studies: Problems of Form and Meaning in Erec, Yvain, Cliges and the Charrete. Z. P. Zaddy". Speculum. 51 (1): 159–162. doi:10.2307/2851026. ISSN0038-7134. JSTOR2851026.