| StorageSite | UCL Special Collections |
| Level | Item |
| Reference Number | GALTON/2/4/3/3 |
| Title | Cases of Male-Female Twins |
| Date | Jan-Apr 1875 |
| Description | Twenty two letters plus enclosures sent to Galton in response to his circular Questions about Twins. The letters provide details of male-female twins known to the correspondents, including descriptions of similarities and differences in character, habit and appearance. |
| Extent | 55 folios |
| Arrangement | Galton had grouped these letters together under the heading "Boys and Girls". |
| AccessStatus | Open |
| AccessConditions | The papers are available subject to the usual conditions of access to Archives and Manuscripts material, after the completion of a Reader's Undertaking. |