| Grogan, E.S., 1903. Hunting rhinoceros on the Upper Nile. Idler: an illustrated monthly magazine 22 (5): 606-613
|
|
| Grogan, E.S., 1902. Hunting rhinoceros on the Upper Nile. Outing, an illustrated monthly magazine of recreation 40 (6): 685-692, figs. 1-2
|
|
| Grogan, E.S., 1900. An encounter with a rhinoceros. The County Gentleman: Sporting gazette and agricultural journal 1900 December 29, issue 2016: 1660, figs. 1-2
|
|
|