Illustrations:
Claude Monet,
Rouen Cathedral: Façade and the Tour d'Albane (morning effect) (detail), 1892-4, Beyeler Collection, Basel.
Paul Cézanne,
The Sea at Estaque (detail), 1876, Fondation Rau pour le Tiers-Monde, Zurich. Designed by Tim Harvey, printed by The Pale Green Press.