| RefNo | HF/1/4/1/10/13 |
| Previous numbers | 98HF.56.13.13 |
| Level | Item |
| Title | Note to Howard Walter Florey from K Crawford |
| Date | 5 November 1951 |
| Description | Identifying the two organisms as pure B subtilis. |
| Format | Carbon copy |
| AccessStatus | Open |
| RelatedMaterial | For related letter to Richard Green see HF/1/4/1/10/12 |
| RelatedRecord | HF/1/4/1/10/12 |