[RACKHAM, ARTHUR, Illustrator]. WAGNER, RICHARD. The Rhinegold & the Valkyrie. London, 1910. 34 plates by ARTHUR RACKHAM. LIMITED EDITION, number 905 of 1150 copies signed by Rackham -- Siegfried & the Twilight of the Gods. London, 1911. 30 plates by RACKHAM. LIMITED EDITION, number 145 of 1150 copies. 2 vols., 4to, contemporary red morocco gilt, g.e., board edges and turn-ins gilt, stamp-signed BAYNTUN-RIVIERE; slight browning; cloth slipcase. (2)