| Reference number | NLB/3/539 |
| Alternative reference number | NLB/3 p276 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to Harrison & Sons |
| Date | 6 July 1889 |
| Description | 'Please place Prof. McKenny Hughes upon your list of those taking Separate Papers Series A and Series B [of 'Philosophical Transactions of the Royal Society']'. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |