| Ref No | WIA GC/1910/481 |
| Title | Pfeffer, Georg Johann. to Warburg, Aby 21/11/1910 |
| Writer | Pfeffer, [Georg Johann] |
| Place1 | Hamburg |
| Recipient | Warburg, Aby |
| Place2 | Hamburg |
| Date | 21/11/1910 |
| Format | manuscript, postcard |
| Contents | explains that the mosquito Warburg caught was the common gnat; they have greatly increased in the last few years due to central heating |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| DS/UK/1937 | Pfeffer; Georg Johann (1854-1931) | 1854-1931 |
| DS/UK/2245 | Warburg; Aby Moritz (13/06/1866-26/10/1929); Professor, Dr. | 13/06/1866-26/10/1929 |