1. Tratado das Batalhas…na Ilha da Santa Elena;Amaral,1604
2. A tour through the island of St Helena;Barnes,1817
3. Tracts relative to the island of St Helena; written during a residence of five years;Beatson,1816
4. History of the island of St Helena…to 1823;Brooke,1824
5. The decline of the redwood Trochetiopss erythroxylon in St Helena;Cronk;Biol. Conserv.,1983