 In Richard Wagner's opera, "Die Walküre" (also drawn in part from the Volsung myths), Siegmund and Sieglinde are parallels of Túrin and Niënor.Túrin further resembles Sigurd himself, as both achieve great renown for the slaying of a dragon of immense power and magic.Túrin's resemblance to figures from Classical and Medieval tales can be confirmed by a letter which Tolkien wrote to Milton Waldman, a publisher from HarperCollins, concerning the fate of his works