| Reference number | NLB/58/317 |
| Alternative reference number | NLB/58 p170 |
| Level | Item |
| Title | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] |
| Date | 20 April 1920 |
| Description | 'Change of Address.
Please note that Sir Sidney [Frederic] Harmer's address is now 30 Courtfield Gardens, S.W.5.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |