| Ref No | DF/TM/1/43/23 |
| Alt Ref No | TM1/43/23 |
| Title | Correspondence J: Janson |
| Description | Oliver Erichson Janson, 16 Letters and 5 postcards from London Jan-Dec 1899, and 2 rough lists of specimens, undated and unaddressed, one headed 'Costa Rica (Janson)' and one annotated 'Humming Birds'. |
| Date | 1899 |
| AccessStatus | Open |
| Held By | NHM Archives |
| Level | Item |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| PX1222 | Janson; Oliver Erichson (1850-1926); Entomologist & Dealer | 1850-1926 |
| CX6420 | O E Janson & Son; fl 1898-1914; Natural History Agents and Booksellers | fl 1898-1914 |