File:Brake and Gas pedals of Enzo Ferrari.jpg - Wikimedia Commons
Formula 1 vs Le Mans: A comparison of the Brembo systems and braking performance | Brembo - Official Website
McLaren's extra brake pedal (left) used in 1997/8 that targeted a single wheel and gave drivers greater control during corners. Worth nearly 0.5 sec per lap, Hakkinen and Coulthard lapped the entire
Cross-section of the 2013 Sauber C32 pedal assembly : r/F1Technical
Why This F1 Car Has FOUR PEDALS - YouTube
Formula 1 brakes explained - Motorsport Technology