I have Speedway Star magazines from 6.3.1978 to 24.2.1979 , 52 copies, 6.3.1976 to 26.2.1977, 52 copies.
Boston Speedway programs 1976/67/68 All issues 1-34 for each season.
All these are listed on Ebay at a ridiculously low price if any one is interested