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Anglia television (1998) Paradise In Peril: Tiwai Island Of The Apes, Re-Edition, Survival Special, documentary (film)Anglia Television (1991) Tiwai: Island of the Apes, Survival Special, documentary (film)

Bakarr, MI, AA Gbakima and Z Bah (1991) “Intestinal helminth parasites in free-living monkeys from a West African rainforest” African journal of ecology, 29(2), pp. 170-172

Bakarr, Ibrahim (2001) Re-Censuring Primate Population on Tiwai Island, Sierra Leone, Njala University College (University of Sierra Leone), Msc Thesis (unpublished)

Dasilva, GL (1994) “Diet of Colobus polykomos on Tiwai Island: Selection of food in relation to its seasonal abundance and nutritional quality” International Journal of Primatology, 15(5), pp. 655-680

Davies, Glyn, John F. Oates and Georgina L. Dasilva (1999) “Patterns of Frugivory in Three West African Colobine Monkeys”, International Journal of Primatology, 20(3), pp. 327-357

Fimbel, Cheryl (1992) “Cross-species handling of colobine infants” Primates, 33(2), pp.545-549

Fimbel, Cheryl (1994) “Ecological Correlates of Species Success in Modified Habitats May Be Disturbance- and Site-Specific: The Primates of Tiwai Island”, Conservation Biology, 8(1), pp. 106-113

Fleagle, John G Charles Helmar Janson, Kaye E. Reed (1999) Primate communities, Cambridge University Press

Holenweg. A, Noë R and Schabel M. (1996) “Waser’s gas model applied to associations between red colobus and Diana monkeys in the Taï National Park, Ivory Coast” Folia Primatologica, 67(3), pp. 125-136

Johnny, Jonathon (2004) Photosociological Analysis of Tree Species on Tiwai Wildlife Sanctuary Reserve, Njala University College (University of Sierra Leone), Msc Thesis (unpublished)

Kamara, Samuel Saidu (2003) An Inventory of Small Mammals on Tiwai Island Wildlife Sanctuary, Njala University College (University of Sierra Leone), Msc Thesis (unpublished)

Koroma, Sylvester (2003) An Assessment of the Ecotourism Potential of the Tiwai Island Wildlife Sanctuary, Njala University College (University of Sierra Leone), Msc Thesis (unpublished)

Macgrew, William Clement (1992) Chimpanzee Material Culture: implications for human evolution, Cambridge University Press

Moriba, John (2003) Species Composition of Amphibians on Tiwai Island, Njala University College (University of Sierra Leone), Msc Thesis (unpublished)

Oates, John (1999) Myth and Reality in the Rain Forest, How Conservation Strategies are Failing in West Africa, University of California Press

Oates, John (1988) “The diet of the olive colobus monkey, Procolobus verus , in Sierra Leone” International Journal of Primatology, 9(5), pp. 457-478

Oates, John and George Whitesides (1990) “Association between olive colobus (Procolobus verus), Diana guenons (Cercopithecus diana), and other forest monkeys in Sierra Leone” American Journal of Primatology, 21, pp.129-146

Oates, John and George Whitesides, Glyn Davies, Peter G. Waterman, Steven M. Green, Georgina L. Dasilva, and Silon Mole (1990) “Determinants of variation in tropical forest primate biomass: New evidence from West Africa”, Ecology, 71(1), pp. 328–343.

White, L. (1986): Population survey of the pygmy hippopotamus (Choeropsis liberiensis) on Tiwai Island, Sierra Leone. (Unpubl.) rep., Sierra Leone Expedition 1986, University College London: 24 pp.

Whitesides, George (1989) “Interspecific associations of Diana monkeys, Cercopithecus diana , in Sierra Leone, West Africa: Biological significance or chance?” Animal Behaviour, 37(5), pp. 760-776

Whitesides, George (1985) “Nut cracking by wild chimpanzees in Sierra Leone, West Africa” Primates, 26(1), pp. 91-94

Whitesides G. H, J. F. Oates, S. M. Green, and R. P. Kluberdanz (1988) “Estimating Primate Densities from Transects in a West African Rain Forest: A Comparison of Techniques” Journal of Animal Ecology, 57(2), pp. 345-367