| Reference number | NLB/54/768 |
| Alternative reference number | NLB/54 p436 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to W. H. Pretty Esquire |
| Date | 18 September 1917 |
| Description | Informs Professor W. H. Pretty Esquire that no paper can be received by the Royal Society unless it be communicated by a Fellow. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |