| Type ▼ | Name | Year ▼ | Publisher ▼ |
|---|---|---|---|
| Acorn Electron 5.25in. disk |  HeadFirst PD Disk E000/M000/B000 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E001/M005/B001 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E002/M006/B002 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E003 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E004 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E005 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E006 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E007 | 1992 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E008 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E009 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E010/M009/B005 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E011/M017/B006 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E013 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E015/M015/B014 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E016/M016/B015 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk E017 | 1993 | HeadFirst PD |
| Acorn Electron 5.25in. disk | HeadFirst PD Disk M013/B012 | 1993 | HeadFirst PD |