1. IUCN 2022. The IUCN Red List of Threatened Species 2022.
2. International Rhino Foundation. 2022 State of the Rhino State of the Rhino | International Rhino Foundation (RhinosOrg) 2022. 〈https://rhinos.org/about-rhinos/state-of-the-rhino/〉.
3. Ellis S., Talukdar B. Dicerorhinus sumatrensis. The IUCN Red List of Threatened Species 2020: Accessed on 16 June 2023 eT6553A18493355 2020. https://dx.doi.org/10.2305/IUCN.UK.2020–2.RLTS.T6553A18493355.en.
4. Diceros bicornis ssp. longipes;Emslie;IUCN Red. List Threat. Species,2011
5. Rewinding the process of mammalian extinction;Saragusty;Zoo. Biol.,2016