| Reference number | NLB/57/483 |
| Alternative reference number | NLB/57p274 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Messrs A&C Black, Ltd |
| Date | 14 November 1919 |
| Description | Responding to a postcard from the recipients, advises in order to send the information they have requested he needs to know the form they require it in. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |