Vermeer's "View of Delft"
Dear Reader, You find the patch of yellow wall [From Wikimedia Commons: http://en.wikipedia.org/wiki/View_of_Delft_(Vermeer )]
Posts
Proust's (Bergotte's) "Petit pan de mur jaune"
As I vaguely recalled (It's been a year or so since I drifted from beginning to end of The Novel), the patch of yellow wall is somewhat contentious: http://www.essentialvermeer.com/proust/proust.html