1. The odyssey of the cultivated rubber tree;Schultes;Endeavor (N. Ser.),1977
2. Tears of the tree: the story of tubber—a modern marvel;Loadman;Choice Rev. Online,2006
3. Hevea Rubber-past and future. the New York Botanical Garden;Imle;Econ. Botany,1978
4. C.S.L. Baker, Natural Rubber. A Synopsis of the Rubber Foundation Lecture, IRC, Manchester, 17th June 1996. Rubber Developments, 49 No3/4: 40-44.
5. The history of taxonomic studies of Hevea;Schultes;Botanical Rev.,1970