The ZX Spectrum Explored - Sinclair Browne 1983 Tim Hartnell Book

50 Outstanding Programs for the Vic 20 - Tim Hartnell PB 1984

20 Best Programs for the ZX Spectrum - Andrew Hewson - Rare Book

ZX Spectrum Book 100 Programs For The ZX Spectrum Computer Ian Mclean 1984

Compute!s First Book Of VIC Games Programs & Helpful Info Commodore VIC 20

NEW Stimulating Simulations for the VIC - VIC-20 programs C.W.Engel 1982 Hayden

Let your BBC Micro Teach you to Program by Tim Hartnell

How To Program Your IBM PC paperback by Tim Hartnell, 1983