| Ref No | DF/ZOO/200/144/165 |
| Alt Ref No | DF200/144/165 |
| Title | Dieffenbach, Ernst |
| Description | Letter from Ernst Dieffenbach, Giessen, Germany, in English to J E Gray dated 17 Nov 1842 requesting support in contacting the Earl of Derby for an expedition to the River Plate and Paraguay, South America |
| Date | 1842 |
| AccessStatus | Open |
| Held By | NHM Archives |
| Level | Item |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| PX7273 | Dieffenbach; Ernst (1811-1855); Naturalist and geologist | 1811-1855 |
| PX7274 | Stanley; Edward Smith (1775-1851); 13th Earl of Derby; MP and naturalist | 1775-1851 |
| PX568 | Gray; John Edward (1800-1875); Naturalist; Keeper of Zoological Branch | 1800-1875 |