| Reference number | LBO/4/30 |
| Alternative reference number | LOBO/4/67 |
| Level | File |
| Title | Copy extract of a letter from Francis Willughby, Middleton, to Henry Oldenburg |
| Date | 2 September 1670 |
| Description | ' Containing some Observations On Insects that had lodged themselves in rotten Willows. ' |
| Extent | 2p |
| Format | Manuscript |
| Access status | Open |