| Reference number | NLB/57/762 |
| Alternative reference number | NLB/57p433 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; Dr HF Morley |
| Date | 2 February 1920 |
| Description | Sends cheque for £136 for two complete sets of the 10th 11th 12th and 13th issues of the Catalogue of Scientific Literature. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |