James Bagley, Dave Worton
U.S. Gold Ltd, Erbe Software S.A.
Every Game Going, Freebase, Speccy Screenshot Maps, Spectrum 2.0, Spectrum Computing, The Tipshop, WorldOfSpectrum, WorldOfSpectrum Classic, ZX-Art, ZXInfo, ZXSR, Centre for Computing History, MobyGames, UVL, Wikipedia
Spectrum Computing • The Tipshop • ZXInfo • Centre for Computing History • MobyGames • UVL • Wikipedia