How much faster was Concorde compared to a Boeing 747? - Quora
The Concorde vs. Other Passenger Jets - How Concordes Work | HowStuffWorks
Concorde - Wikipedia
KB Rafique on Twitter: "Air France conducted a race between the Concorde and 747 in 1974. Concorde flew from BOS to CDG & back while racing 747, Concorde left Boston same time
Concorde Boeing 747 and 777 Size Comparison - AERONEF.NET