Arnold, David (2006) The Tropics and the Traveling Gaze: India, Landscape, and Science, 1800–1856 University of Washington Press, Seattle, pp. 156–157, ISBN0-295-98581-X
Kenneth A. R. Kennedy and [Russell Ciochon|Russell L. Ciochon], "A canine tooth from the Siwálik: first recorded discovery of a fossil ape?" Journal of Human Evolution, Vol. 14, No. 3 (July, 1999). ISSN0393-9375 (Print) 1824-310X (Online).