JSTOR Ref
J.A. Burrow Two Old French Gauvain Romances. Part I: 'Le Chevalier à l'épe'e' and 'La Mule sans frein', Part II: Parallel Readings with 'Sir Gawain and the Green Knight', by R. C. Johnston, D. D. R. Owen 43.2 (1974), 168-172 DOI:10.2307/43628009
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