Sumatran Rhino Trust 1987. Agreement for a cooperative project between the Directorate General of Forest Protection and Nature Conservation of the Ministry of Forestry of the Republic of Indonesia and the Sumatran Rhino Trust of the American Association of Zoological Parks and Aquariums for Conservation of the Sumatran rhino. Unpublished document. pp. 1-5.
Sumatran Rhino Trust 1986. A Sumatran rhino rescue project. Audubon March 1986: 42.






