| RefNo | RB/3/7/20 |
| Previous numbers | BL 7, no. 20 |
| Level | Item |
| Title | Robert Southwell to Henry Oldenburg |
| Date | 15 May 1663 |
| Description | Original letter |
| Language | English |
| Extent | 4 leaves (2 conjugate pairs), fol. |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Summarised in 'Correspondence', vol. 6, 422. Published in 'Oldenburg', bol. 2, pp. 52-5 |