| Reference number | NLB/59/170 |
| Alternative reference number | NLB/59 p93 |
| Level | Item |
| Title | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Messrs Sells Ltd.; 168 Fleet Street, E.C.4. |
| Date | 22 July 1920 |
| Description | 'In reply to your letter of the 21st July please insert our entry in the Telephone Directory in special type as in the current issue.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |