| Adding the Larken RAMDisk to an Existing LKDOS System | | Timex/Sinclair 2068 |
| Larken Disk Drive manual | | Timex/Sinclair 2068 |
| Larken Disk Drive manual - 2 | | Timex/Sinclair 2068 |
| Larken Disk Drive manual versions L3 and L3F | | Timex/Sinclair 2068 |
| Larken Disk Interface Schematic | | Timex/Sinclair 2068 |
| Larken Maxcom instructions | | Timex/Sinclair 2068 |
| Larken RAMDisk Schematics | | Timex/Sinclair 2068 |
| Letter from Les Cottrell to Bob Swoger with Larken disk interface schematics | | Timex/Sinclair 2068 |
| RAMDisk Backup & Restore Utility | | |
| RMG Update News for April 1990 | | Timex/Sinclair 2068 |
| RMG Update News for April 1991 | | Timex/Sinclair 2068 |
| RMG Update News for August 1990 | | Timex/Sinclair 2068 |
| RMG Update News for December 1989 | | Timex/Sinclair 2068 |
| RMG Update News for February 1990 | | Timex/Sinclair 2068 |
| RMG Update News for February 1991 | | Timex/Sinclair 2068 |
| RMG Update News for January 1990 | | Timex/Sinclair 2068 |
| RMG Update News for January 1991 | | Timex/Sinclair 2068 |
| RMG Update News for March 1990 | | Timex/Sinclair 2068 |
| RMG Update News for March 1991 | | |
| RMG Update News for March 1991 | | |
| RMG Update News for May 1990 | | Timex/Sinclair 2068 |
| RMG Update News for November 1989 | | Timex/Sinclair 2068 |
| RMG Update News for November 1990 | | Timex/Sinclair 2068 |
| RMG Update News for September 1990 | | Timex/Sinclair 2068 |
| Sequential Random Access File Utility | | Timex/Sinclair 2068 |
| Unofficial Technical Manual for the ZX-81 LDOS Disk Controller | | Timex/Sinclair 1000 |
