Rookmaaker, L.C. 2006. The first photographs of a rhinoceros. Swara 29 (3): 54-55, figs. 1-2.
PDF download available
Rookmaaker, L.C. 2006. Distribution and extinction of the rhinoceros in China: review of recent Chinese publications. Pachyderm 40: 102-106, figs. 1-2.
Rookmaaker, L.C. 2006. The demise of the Lesser Indian Rhinoceros. In: Das, J.; Barua, M., Souvenir of Kaziranga Elephant Festival 2006: English section. Airawat. pp. 27-28, fig. 1.