| RefNo | HD/7/3/2/23 |
| Previous numbers | 93HD.10.3.5 |
| Level | Item |
| Title | Copy correspondence relating to plans for an extension to the Library, 1950-1952 |
| Date | c.1954 |
| Description | Appendix D to HD/7/3/2/19 |
| Extent | 3pp |
| Format | Carbon copy |
| AccessStatus | Open |
| AccessConditions | OPEN - but with some restrictions |