| RefNo | FS/7/2/289 | 
| Previous numbers | FS/14/2/26, Box 5 | 
| Level | File | 
| Title | Correspondence with Prof NS Japolsky | 
| Date | 1948-1950 | 
| Description | Mostly on meeting with Simon at the Clarendon Laboratory | 
| Extent | 6 letters | 
| Format | Manuscript and typescript documents | 
| AccessStatus | Open |