| 2000920 | Het Programmeren van de Z80 | - | Dutch |
| 2000672 | Het Sinclair QL Gebruikersboek | Sinclair QL | Dutch |
| 2001356 | Het ZX Spectrum (+) Software Boek | - | Dutch |
| 28967 | Hex Loader | ZX81 2K | Dutch |
| 28968 | Hex Monitor | ZX81 2K | Dutch |
| 28966 | Hex-Dump | ZX81 2K | Dutch |
| 8247 | HiFile | ZX-Spectrum 48K | Dutch |
| 28982 | High Resolution Sound Analysis | ZX81 16K | Dutch |
| 28976 | Hoger-Lager | ZX81 2K | Dutch |
| 8266 | Horoscoop | ZX-Spectrum 48K | Dutch |
| 8267 | Horoscoop 48K | ZX-Spectrum 48K | Dutch |
| 29419 | Hou Ze Gevangen | ZX81 16K | Dutch |
| 29280 | Hou ze Gevangen | ZX81 16K | Dutch |
| 2000647 | Ik en mijn ZX Spectrum | - | Dutch |
| 15455 | Impuls Cassette 001 | ZX-Spectrum 48K | Dutch |
| 15456 | Impuls Cassette 002 | ZX-Spectrum 48K | Dutch |
| 15457 | Impuls Cassette 003 | ZX-Spectrum 48K | Dutch |
| 15458 | Impuls Cassette 004 | ZX-Spectrum 48K | Dutch |
| 15459 | Impuls Cassette 005 | ZX-Spectrum 48K | Dutch |
| 15460 | Impuls Cassette 006 | ZX-Spectrum 48K | Dutch |