| Ref No | DF/ZOO/200/52/443-444 |
| Alt Ref No | DF200/52/443-444 |
| Title | Janson, [Oliver Erichson] |
| Description | 2 letters to Sidney Frederic Harmer from [Oliver Erichson] Janson, Great Russell Street, London |
| Date | 12 Jan 1909, 2 Apr 1909 |
| AccessStatus | Open |
| Held By | NHM Archives |
| Extent | 2 letters |
| 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 |
| PX515 | Harmer; Sir; Sidney Frederic (1862-1950); Knight; Zoologist, Director of the British Museum (Natural History) | 1862-1950 |