1. In Water and the Tea Plant (; , eds.) Tea Res. Inst. of East Africa, Kericho, Kenya. 1971, p. 49.
2. In Water and the Tea Plant (; , eds) Tea Res. Inst. of East Africa, Kericho, Kenya. 1971, p. 79.
3. In Water and the Tea Plant (; , eds) Tea Res. Inst. of East Africa, Kericho, Kenya. 1971, p. 89.
4. Estimation of the market value of Central African tea by theaflavin analysis
5. Studies on the Mechanism of the Oxidation of Tea Leaf Catechins