| Ref No | GSL/F/1/12 |
| Title | Admission Certificates, 1887-1891 |
| Date | Nov 1887-May1891 |
| Level | File |
| Extent | 1 volume |
| Format | Document |
| Description | Guardbook containing Admission Certificates for members of the Geological Society of London (membership nos 3560-3819), November 1887-May 1891. |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by John Thackray, revised by Caroline Lam |
| Term | Membership |