WAGNER, Richard. The Rhinegold & the Valkyrie. With illustrations by Arthur Rackham, translated by Margaret Armour, London & New York: William Heinemann & Doubleday, Page, 1910, 4°, number 896 of 1150 copies signed by the artist, 34 tipped-in plates on buff paper, illustrations (minor spotting to some textual leaves), original pictorial vellum gilt (spine torn with loss affecting part of title, spotted, lacking ties) [Latimore & Haskell p.37]; Siegfried & the Twilight of the Gods. With illustrations by Arthur Rackham, translated by Margaret Armour, London & New York: William Heinemann & Doubleday, Page, 1911, 4°, number 896 of 1150 copies signed by the artist, 30 tipped-in plates on buff paper, illustrations (minor spotting to text), original pictorial vellum gilt (soiled, spotted, shaken, lacking ties). [Latimore & Haskell p.37] (2)