| Series | Control Symbol | Title | Contents dates |
|---|---|---|---|
| C5511 | SE/0052/16 | SIN-HON-TAI Submarine Cable System Route Survey Report - Appendices Segment A: Singapore - Hong Kong | 1983 - 1984 |
| C5511 | SE/0052/2 | SIN-HON-TAI Submarine Cable System Route Survey Report - Appendices Segment B: Hong Kong - Taiwan | 1983 - 1984 |