IndyCar giving major boost to Indy Lights Series

Lower prices, bigger prize fund should attract more teams

IndyCar's latest hybrid test felt ordinary – and that's a good thing

1987 Indianapolis 500 - Wikipedia

IndyCar giving major boost to Indy Lights Series

Day after winning Indy Lights title, Patricio O'Ward wins Grand Prix of Portland

Why IndyCar's Dutch ace can bring glory to Ed Carpenter Racing

Askew blazes to pole position for first COTA race

1996 Indianapolis 500 - Wikipedia

8 Things You May Not Know – 8 Facts in Indy50

Indianapolis 500 sponsor Gainbridge extends deal with Motor Speedway