BP S.
53 primary works
Book 76
Book 94
Book 98
Book 106
Book 121
Book 129
An Introduction to Programming the Oric-1
by R. A. Penfold and J.W. Penfold
Book 152
Book 154
Book 158
An Introduction to Programming the Commodore 16 and Plus 4
by R. A. Penfold and J.W. Penfold
Book 170
Book 173
Book 182
Book 184
Book 192
Book 239
Book 248
Book 262
Book 265
Book 267
Book 272