1. Vie J-C, Hilton-Taylor C, Stuart SN, editors (2009) Wildlife in a changing world: An analysis of the 2008 IUCN Red List of Threatened Species. Gland, Switserland: IUCN.
2. Large mammal population declines in Africa’s protected areas;ID Craigie;Biological Conservation,2010
3. Manifold Interactive Influences on the Population Dynamics of a Multispecies Ungulate Assemblage;N Owen-Smith;Ecological Monographs,2006
4. Conservation management for the past, present and future;M Hayward;Biodiversity and Conservation,2009
5. Large Mammal Restoration: Ecological and Sociological Challenges in the 21st Century;JT Heinen;Environmental Practice,2002