| Reference Number | DE/6/8/7/12/25 |
| Title | Unknown plans, notes, and plan fragments |
| Description | 15 plans, 2 notes, 2 envelopes and various fragments. |
| Date | 19th - 20th century |
| Physical Description | PRODUCE UNDER SUPERVISION ONLY [Tracing paper] |
| AccessStatus | Open |
| Extent | [19 items] |
| Level | Item |