| Ref No | LDGSL/1037/TOMKEIEFF |
| Title | Letters to Leonard Hawkes from Sergei Ivanovich TOMKEIEFF |
| Date | 1935-1939 |
| Level | Sub Sub Series |
| Extent | 2 letters |
| Format | Document |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| CreatorName | TOMKEIEFF | Sergei Ivanovich | 1892-1968 | petrologist |