Why footwear has far more to do with identity and expression than mere function
Christian Louboutin CAN trademark signature red soles after winning appeal (unless the shoe itself is the same colour)
Christian Louboutin – king of the killer stiletto - BBC Culture
Here's the Real Reason Why Louboutin Shoes Are Red on the Bottom
may breach trademark rights over fake Louboutin ads
Christian Louboutin faces setback in fight to trademark red sole, Luxury goods sector
The secret behind the red soles of Christian Louboutin - Catawiki
Christian Louboutin Wins Legal Battle Over Signature Red Soles – Sourcing Journal
could be blamed for fake Louboutin shoe ads - EU - BBC News