| StorageSite | UCL Special Collections |
| Level | Item |
| Reference Number | PEARSON/3/10/12 |
| Title | Detailed Notes about so-called "Individuals with Defects" |
| Date | c1910 |
| Description | Notes about patients with Down's syndrome, phthisis (tuberculosis), pigments, "very fair hair". 18 photographs (named subjects) and 7 hair samples. |
| Extent | 1 letter, 18 photographs, 10 enclosures |
| 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. |