Duncan PM, Wall GP. (1865). A Notice of the Geology of Jamaica, especially with reference to the district of Clarendon; with descriptions of the Cretaceous, Eocene, and Miocene Corals of the islands. Quarterly Journal of the Geological Society. 21: 1-15, pls. 1-2.
A Notice of the Geology of Jamaica, especially with reference to the district of Clarendon; with descriptions of the Cretaceous, Eocene, and Miocene Corals of the islands