| Bonham, R., 2017. Giving Kenyan rhinos room to grow. The Horn (Save the Rhino International) 2017: 7
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| Bonham, R., 2010. Kenya: No one can whistle a symphony, it takes an orchestra to play. The Horn Spring 2010: 28
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| Bonham, R., 2008. Mutinda: the story of a poacher turned gamekeeper. The Horn Spring 2008: 11
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| Bonham, R., 2007. Kenya: How a rhino project helps communities and protects ecosystems. The Horn Newsletter 2007 Autumn: 14, fig. 1
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| Bonham, R., 2005. Phase Two of the Chyulu Hills rhino project. The Horn Newsletter 2005 Spring: 16, figs. 1-2
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| Bonham, R., 2005. Normally, when there is blood on the ground it means trouble. The Horn Newsletter 2005 Autumn: 21, figs. 1-3
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| Bonham, R., 2004. Paying for the sins of our fathers. The Horn Newsletter 2004 Autumn: 5
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