| RefNo | FS/7/2/457 |
| Previous numbers | FS/14/2/26, Box 7 |
| Level | File |
| Title | Correspondence with Sir Thomas Merton |
| Date | 9 January 1952 |
| Description | Mostly on Simon's suggestions for preventing high temperatures on the London Underground |
| Extent | 5 letters |
| Format | Manuscript and typescript documents |
| AccessStatus | Open |