WAnother World (M. C. Escher)WAscending and DescendingWAtrani, Coast of AmalfiWBelvedere (M. C. Escher)WThe Bridge (M. C. Escher)WCastrovalva (M. C. Escher)WCircle Limit IIIWConvex and ConcaveWCube with Magic RibbonsWCurl-upWDolphins (M. C. Escher)WDragon (M. C. Escher)WDrawing HandsWGravitation (M. C. Escher)WHand with Reflecting SphereWHouse of StairsWMagic Mirror (M. C. Escher)WMetamorphosis IIWMetamorphosis IIIWPrint Gallery (M. C. Escher)WPuddle (M. C. Escher)WRegular Division of the PlaneWRelativity (M. C. Escher)WReptiles (M. C. Escher)WSky and Water IWSky and Water IIWSnakes (M. C. Escher)WStars (M. C. Escher)WStill Life and StreetWStill Life with MirrorWStill Life with Spherical MirrorWThree Spheres IIWThree Worlds (Escher)WTower of Babel (M. C. Escher)WWaterfall (M. C. Escher)