| Description | Jannasch, H (H Jannasch & Goetz): 2 german letters (1911)
Janetschek, Prof Dr H: 11 items including letters in English & German, a request for co-operation & a postcard (1960-1969)
Jansen, Dr J: 7 items including reports, letters & a schedule in Dutch (1964-1960)
Jaquet, C: 3 items including a list of fleas from Dr A Aeschlimann, a letter & a note (1967)
Jarvis, Edmund: 5 letters (1907-1917) |