| Reference number | NLB/4/573 |
| Alternative reference number | NLB/4 p234 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to Harrisons |
| Date | 12 July 1890 |
| Description | 'Enclosed is Prof Darwin's answer to your query about the type for his Appendix. Please follow his instructions.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |