English: The Sumatran rhinoceros was first examined and drawn by William Bell in 1793.
Português: O rinoceronte-de-sumatra foi examinado e retrato pela primeira vez por William Bell, em 1793
Date 1793
Source ROOKMAAKER, L. C. (1984). The taxonomic history of the recent forms of sumatran rhinoceros (Dicerorhinus sumatrensis). Journal of the malayan Branch of the Royal Asiatic Society 57 (1): 12-25.
Author William Bell Source: https://commons.wikimedia.org/wiki/File:Dicerorhinus_sumatrensis_Bell_1793.jpg