Speedway Newspaper. May 2, 1975.
SPEEDWAY MAIL - 14 May 1976 vol 4 #7
SPEEDWAY MAIL - 16 May 1975 vol 3 #7
SMI - SPEEDWAY MAIL INTERNATIONAL - MAY 7 1988
SMI - SPEEDWAY MAIL INTERNATIONAL - SHEFFIELD CRISIS - MAY 16 1992
SPEEDWAY MAIL INTERNATIONAL - 12 May 1990
Speedway Mail Weekly Newspaper, 19th May 1978 Vol. 6 No.8
