| RefNo | MS/81/23 |
| Previous numbers | MS 81.20 |
| Level | Item |
| Title | Letter from Leibniz to Henry Oldenburg |
| Date | 16 October 1674 |
| Description | Endorsed 'No. 33: p. 115' |
| Language | Latin |
| Extent | 4p |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Printed in 'Commercium Epistolicum' 1722 edition, page 115, paragraph XXXIII |