Robert J. Simpson
Name : Robert J. Simpson
| Book | Role |
|---|---|
| ZX Spectrum User's Handbook | Author |
| Manual do ZX Spectrum | Author |
| ZX81 User's Handbook | Author |
Name : Robert J. Simpson
| Book | Role |
|---|---|
| ZX Spectrum User's Handbook | Author |
| Manual do ZX Spectrum | Author |
| ZX81 User's Handbook | Author |
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