Autosport Magazine Apr 1988 - Herbert's first
OULTON PARK 30 Apr 1988 HSCC SPRING Car Races Official Programme
THRUXTON GM Dealer Trophy Day Motor Racing Official Programme Apr 1988
BRANDS HATCH 24 Apr 1988 CHAMPIONSHIP CAR RACE DAY Official Programme
AUTOSPORT 1980 Apr 17 SARAFI RALLY, Circuit of Ireland, Euro F2, Lancia Stratos
Autosport magazine - 18 January 2024 (F1 2024, Autosport International show)
Autosport magazine 5th December 2002 - Autosport Awards
