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\bibitem{Lawrance1993} Lawrance, J. N. H. (1993). On the title {\textquotedblleft}Tragicomedia de Calisto y Melibea{\textquotedblright}. En A. Deyermond, \& J. N. H. Lawrence (Eds.), \textit{Letters and Society in Fifteenth-Century Spain: Studies Presented to P. E. Russell on his Eightieth Birthday} (pp. 79--92). Llangrannog: Dolphin.

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