| RefNo | HF/1/4/1/7 |
| Previous numbers | 98HF.56.8.1-3; 98HF.56.9.1-12 |
| Level | File |
| Title | Correspondence concerning flavoryzine, the bacillus germicide H1 and gramicidin |
| Date | 1945 - 1950 |
| Extent | 1 folder |
| Format | Typescript and printed documents |
| AccessStatus | Open |