Letter from William S. Dyson concerning his medical examinations and visit to London, n.d. and a very interesting letter from Dyson while he was a doctor on the Lake Rudolf Rift Valley Expedition in May 1934. The letter describes in detail the expedition in Kenya, especially the medical problems caused by intense heat and dysentery.
- For more information, email the repository
- Advice on accessing these materials
- Cite this description
- This material is held at
- ReferenceGB 133 JEF/1/6/1/4
- Dates of Creationn.d. 
- Physical Description2 pieces, 4 sheets