| Reference number | NLB/56/489 |
| Alternative reference number | NLB/56 p285 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] |
| Date | 21 February 1919 |
| Description | 'Change of Address.
Sur James MacKenzie [has moveed from] 133 Harley St. His address now is New Park St.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |