Bastin, John (1973). "Dr Joseph Arnold and the discovery of the Rafflesia arnoldi in West Sumatra in 1818". Journal of the Society for the Bibliography of Natural History. 6 (5): 305–372. doi:10.3366/jsbnh.1973.6.5.305. ISSN0037-9778.
worldcat.org
search.worldcat.org
Bastin, John (1973). "Dr Joseph Arnold and the discovery of the Rafflesia arnoldi in West Sumatra in 1818". Journal of the Society for the Bibliography of Natural History. 6 (5): 305–372. doi:10.3366/jsbnh.1973.6.5.305. ISSN0037-9778.