1. Not Only 30 Programs for the Sinclair ZX81. (2022) Authors: Reproductions, Retro Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. 30 Programs for the Sinclair ZX80. (2022) Authors: Reproductions, Retro Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗