indianapolismotorspeedway.com:
1968 - Bobby Unser
indianapolismotorspeedway.com:
1963 - Bobby Unser
indianapolismotorspeedway.com:
1968 - Unser pitstop
indianapolismotorspeedway.com:
1975 - Unser
indianapolismotorspeedway.com:
1981 - Unser
indianapolismotorspeedway.com:
1969 - Bobby Unser in action
indianapolismotorspeedway.com:
1981 - Bobby Unser in Victory Circle
indianapolismotorspeedway.com:
1981 - Bobby-Unser