The Red-Soled Shoe Case - WSJ
Christian Louboutin vs. YSL 'Red Soles' Court Case Takes A New Twist
Louboutin Red-Sole & Surrounding Contrast: An Implied Trademark Limitation
How Louboutin fought tooth and nail for his special red
Trademark protection of color: Louboutin's red-soled shoe is a clever logo
Designer Louboutin hits back in red sole lawsuit
Christian Louboutin sues Yves Saint Laurent over red soles on heels - The Washington Post
The Red-Soled Shoe Case - WSJ
Red Soles, High Heels, and a Global Quest for Trademark Rights