1. Estimation of leaf and stem growth of unbranched Senecio keniodendron trees;Beck;Flora, Jena,1980
2. The ecology of the alpine zone of Mount Kenya;Coe,1967
3. A visit to Kilimanjaro;Cotton;Bull. Misc. Inf., R. Bot. Gardens, Kew,1930
4. The megaphytic habit in the tree Senecios and other genera;Cotton,1944
5. The vegetation and flora of Mount Kilimanjaro;Greenway;Tanzania Notes & Records,1965