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Martínez Olmedilla, Augusto
Las desdichas del Rey Sabio
Blanco y Negro, no. 1480 (28 Sept., 1919), [pp. 15-17].rnrn
Snow 1977, no. 99: "A brief summary of the high and low points of Alfonso's several careers as monarch, soldier, poet, historian, etc. Written as a prelude to the 700th anniversary of his birth in 1921."