Gripper, J. 2007. [Various notes]. Sebakwe News 2007 Autumn: 1-12.
Gripper, J. 2007. Rhino update. Sebakwe News 2007 Autumn: 1, fig. 1.
Gripper, J. 2007. Black rhino in the Midlands: emergency measures. The Horn Newsletter 2007 Autumn: 6, fig. 1.
Gripper, J. 2006. [Various notes]. Sebakwe News 2006 Spring: 1-12.
Gripper, J. 2006. [Various notes]. Sebakwe News 2006 Autumn: 1-8.
Gripper, J. 2005. [Various notes]. Sebakwe News 2005 Spring: 1-8.
Gripper, J. 2005. [Various notes]. Sebakwe News 2005 Autumn: 1-12.
Gripper, J. 2005. Lewa Wilderness Conservancy. Sebakwe News 2005 Spring: 8, figs. 1-3.
Gripper, J. 2005. Rhino poaching in the Midlands. Sebakwe News 2005 Autumn: 1, fig. 1.
Gripper, J. 2005. Chyulu Hill Rhino Project. Sebakwe News 2005 Spring: 9, figs. 1-3.
Gripper, J. 2005. Rhino darting exercise. Sebakwe News 2005 Autumn: 6-7, figs. 1-8.
Gripper, J. 2004. [Various notes]. Sebakwe News 2004 Winter: 1-8.
Gripper, J. 2004. Rhino poaching on the increase. Sebakwe News 2004 Winter: 1.
Gripper, J. 2004. Selous black rhino protection project. Sebakwe News 2004 Winter: 3.
Gripper, J. 2004. [Various notes]. Sebakwe News 2004 Autumn: 1-12.
Gripper, J. 2003. Sebakwe rhino population update. Ratel 30 (4): 105.
Gripper, J. 2003. [Various notes]. Sebakwe News 2003 Spring.
Gripper, J. 2003. [Various notes]. Sebakwe News 2003 Autumn: 1-8.
Gripper, J. 2002. [Various notes]. Sebakwe News 2002 January: 1-8.
Gripper, J. 2002. Black rhino in Namibia. Sebakwe News 2002 January: 7.
Gripper, J. 2002. [Various notes]. Sebakwe News 2002 August: 1-8.
Gripper, J. 2001. Sebakwe Black Rhino Trust. Pamphlet. pp. 1-4.
Gripper, J. 2001. [Various notes]. Sebakwe News 2001 June.
Gripper, J. 2000. [Various notes]. Sebakwe News 2000 September.
Gripper, J. 2000. [Various notes]. Sebakwe News 2000 January.






