E. P. Gee (1959)۔ "Report on a survey of the rhinoceros area of Nepal"۔ Oryx۔ 5: 67–76۔ doi:10.1017/S0030605300000326
E. P. Gee (1963)۔ "Report on a brief survey of the wildlife resources of Nepal, including rhinoceros"۔ Oryx۔ 7 (2–3): 67–76۔ doi:10.1017/s0030605300002416