| Reference number | NLB/56/568 |
| Alternative reference number | NLB/56 p325 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] |
| Date | 13 March 1919 |
| Description | 'Year Book.
Herewith the list for Institutions. You may now dispatch as on last year's lines.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |