You didn't invent red soles': Yves Saint Laurent kicks back at Christian Louboutin
Christian Louboutin vs. YSL 'Red Soles' Court Case Takes A New Twist
Look-For Louboutin Kick-in-the-Pants Shoes?
Louboutin Wins Round in Red-Sole Shoe Appeal - WSJ
Can You Trademark a Color? - Freakonomics
YSL drops 18-month lawsuit against Christian Louboutin as both sides claim they won battle of the red-soled shoes
Louboutin wins red sole fight with YSL; yet YSL “monochrome” line allowed
The Fight for Red: Fashion Statement or Protected Trademark?
Yves Saint Laurent defends its red soles - Times of India
Christian Louboutin vs. YSL 'Red Soles' Court Case Takes A New Twist
Louboutin wins YSL battle to trademark red soles
The Red-Soled Shoe Case - WSJ