There are a couple of cuttings from Motor Cycle Weekly with race reports and results.
1980 SILVERSTONE PROGRAMME 10/8/80 - MARLBORO BRITISH MOTORCYCLE GRAND PRIX
British Motorcycle Grand Prix 1988 Donington Park Shell Baseball Cap NOS
British Motorcycle Grand Prix 1990 Marshal Donington Park Shell Baseball Cap
British Motorcycle Grand Prix 1989 Marshal Donington Park Shell Baseball Cap NOS
British Motorcycle Grand Prix 1986 Marshal Silverstone Shell Baseball Cap NOS
BRITISH MOTORCYCLE GRAND PRIX Vintage Programmes 73,76,78,83,85
